Pistons, rings, pins, clips, top end gasket kit, & needle bearing when applicable. Pistons, rings, pins, clips, top end gasket kit, & cylinder/sleeve when applicable.

YAMAHA

Motorcycle 2-Stroke
Model YSR50 Years thru 1992 Std.Bore x Stroke (mm) 40 x 39 Bore (mm) 40.00 40.50 41.00 41.50 42.00 43.00 43.50 44.00 40.00 40.25 40.50 40.75 41.00 41.50 42.00 47.00 47.50 48.00 48.50 47.00 47.50 48.00 48.50 49.00 47.00 47.50 48.00 48.50 49.00 49.50 50.00 50.50 51.00 49.00 49.50 50.00 50.50 51.00 47.00 47.50 48.00 48.50 49.00 48.00 48.50 49.00 49.50 50.00 48.00 48.50 49.00 49.50 50.00 48.00 48.50 49.00 49.50 50.00 48.00 48.50 49.00 49.50 50.00 46.00 Top End Kit Price Per Kit Piston (rings, pin & clips) 727M04000 727M04050 727M04100 727M04150 727M04200 598M04300 598M04350 598M04400 653M04000 653M04025 653M04050 653M04075 653M04100 653M04150 653M04200 222M04700 222M04750 222M04800 222M04850 649M04700 649M04750 649M04800 649M04850 649M04900 222M04700 222M04750 222M04800 222M04850 457M04900 457M04950 457M05000 457M05050 457M05100 465M04900 465M04950 465M05000 465M05050 465M05100 477M04700 477M04750 477M04800 477M04850 477M04900 508M04800 508M04850 508M04900 508M04950 508M05000 520M04800 520M04850 520M04900 520M04950 520M05000 520M04800 520M04850 520M04900 520M04950 520M05000 569M04800 569M04850 569M04900 569M04950 569M05000 671M04600 Price Per Piston $99.71 Repl. Ring Set 1574CD 1594CD 1614CD 1634CD 1654CD 1693CD 1713CD 1732CD 1574CD 1585CD 1594CD 1604CD 1614CD 1634CD 1654CD 1850CS 1869CS 1890CS 1909CS 1850CD 1869CD 1890CD 1909CD 1929CD 1850CS 1869CS 1890CS 1909CS 1929CD 1949CD 1969CD 1988CD 2008CD 1929CD 1949CD 1969CD 1988CD 2008CD 1850CD 1869CD 1890CD 1909CD 1929CD 1890CS 1909CS 1929CS 1949CS 1969CS 1890CS 1909CS 1929CS 1949CS 1969CS 1890CS 1909CS 1929CS 1949CS 1969CS 1890CS 1909CS 1929CS 1949CS 1969CS 1810CS Repl. Pin & Clips S563 CW12 Complete Top End Gasket Kit W5704 1987-92 $23.12 Top End Bearing B1042 $16.96
Fuel Management Crankshafts

$109.68 $110.86

YSR50 Big Bore 3mm Oversize PW50
thru 1992 1985-87 1990-09

40 x x 39.2

S634 CW12 S630 CW10
PK1157 PK1158 PK1159 PK1160 PK1161 PK1162 PK1163

$114.51

$92.17
W5228 1987-92 $21.28 W5531 $21.28
B1042 $16.96 B1084 $15.82
Cams/Valves Clutch Top End Can-Am ATV

$123.72

$101.38 $133.00

MX80 TY80 GT1 PW80 BW80

1980-82 1974-75 1973-75 thru 2006 1986-1974-75

47 x x 45.6

S538 CW12 S538 CW12 W5560 all years $28.08

B1042 $16.96

European Dirt
PK1558 PK1559 PK1560 PK1561 PK1562

$158.41

$146.29 $94.87

Street Honda Dirt

$169.77

$104.37 $133.00

47 x x 42

S538 CW12 S538 CW12

ATV Street Kawasaki Dirt ATV Street

1976-80

$146.29 $161.33

$177.44 $181.23

49 x 42

S538 CW12

B1043 $16.96

KTM Dirt

$199.33 $138.28

1982-83

47 x 45.6

W$21.33

ATV Street Polaris

$152.09 $157.14

48 x 45.6

W4051 $21.33

B1015 $15.82

ATV Suzuki Dirt

$172.83 $139.56 $139.33 $153.24 $145.62 $139.33 $153.24 $125.71

W4052 $25.60

ATV Street Yamaha

1986-87

1988-92
YZ80 Pro-LiteTM International Bore

1993-01

46 x 47.8
PK1705 PK1706 PK1707 PK1708 PK1709 PK1710 PK1711 PK1712 PK1713 PK1714 PK1715
$187.04 $180.75 $194.66 $167.13

W5284 $25.60

Dirt ATV Street
PWC Sleeves Rings Accessories Apparel

$179.68 $165.07

$138.26 $123.65

S517 CW14

W5353 $25.60

B1012 $15.82

ne Solution. One Name. One Solution.
One Name. One Solution. One Name. One Solution. One Name. One Solution.
Model Std.Bore x Stroke (mm) 1993-x 47.8 Years Bore (mm) 47.00 47.50 48.00 48.50 49.00 52.50 Top End Kit PK1553 PK1554 PK1555 PK1556 PK1557 PK1186 Price Per Kit $154.79 Piston (rings, pin & clips) 646M04700 646M04750 646M04800 646M04850 646M04900 767M05250 Price Per Piston $113.37 Repl. Ring Set 1850CS 1869CS 1890CS 1909CS 1929CS 2067CS Repl. Pin & Clips S517 CW14 Complete Top End Gasket Kit W5353 $25.60 Top End Bearing B1012 $15.82
Fuel Management Crankshafts Cams/Valves Clutch Top End Can-Am ATV European Dirt Street Honda Dirt ATV Street Kawasaki Dirt ATV Street KTM Dirt ATV Street Polaris ATV Suzuki Dirt ATV Street Yamaha Dirt ATV Street PWC Sleeves Rings Accessories Apparel

YZ80 Pro-LiteTM Ceramic Composite

$166.15 $179.86

$124.73 $138.44
Racer's Choice Supermini YZ80 Ceramic Composite YZ85 Pro-LiteTM Ceramic Composite Racer's Choice Supermini YZ85 Ceramic Composite LT100 LT100-2 LT100-3

2002-11

52.5 x 47.8 47.5 x 47.8 52.5 x 47.x 45.6
S288 CW14 S517 CW14 S288 CW14 S288 CW14
W5353 $25.60 W5983 2002-08 $28.43 W5983 2002-08 $28.43
B1012 $15.82 B1012 $15.82
47.50 48.00 48.50 49.50 52.50
PK1202 PK1203 PK1204 PK1205 PK1343

$144.95

$155.02 $182.69
805M04750 805M04800 805M04850 805M04950 767M05250

$100.70

$110.77 $138.44
1869CS 1890CS 1909CS 1949CS 2067CS

52 x 45.6

1976-83

50 x 50

1990-00

52 x 45.x 50

ATAT3 125

1980-86 1980-86

1980-86

56 x 50

1973 and up
TZR 125 DTR125 DTR125E TDR125 TDR240 Reed Cutout International Bore - Not available in U.S
1987-92 1988-96 1990-96 1990-92 1988-92

56 x 50.7

52.00 52.50 53.00 53.50 54.00 52.00 52.50 53.00 53.50 54.00 52.00 52.50 53.00 53.50 54.00 50.00 50.50 51.00 51.50 52.00 52.00 52.50 53.00 54.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.25 56.50 56.75 57.00 57.25 57.50
235M05200 235M05250 235M05300 235M05350 235M05400 235M05200 235M05250 235M05300 235M05350 235M05400 235M05200 235M05250 235M05300 235M05350 235M05400 455M05000 455M05050 455M05100 455M05150 455M05200 771M05200 771M05250 771M05300 771M05400 236M05600 236M05650 236M05700 236M05750 236M05800 236M05600 236M05650 236M05700 236M05750 236M05800 236M05600 236M05650 236M05700 236M05750 236M05800 236M05600 236M05650 236M05700 236M05750 236M05800 679M05600 679M05625 679M05650 679M05675 679M05700 679M05725 679M05750

$165.94

$182.51 $165.94

$182.51 $160.63

$176.69 $107.83

$118.63 $159.83

$175.82 $159.83

$175.82

$142.78

$157.06

2047CD 2067CD 2087CD 2106CD 2126CD 2047CD 2067CD 2087CD 2106CD 2126CD 2047CD 2067CD 2087CD 2106CD 2126CD 1969CD 1988CD 2008CD 2028CD 2047CD 2047CD 2067CD 2087CD 2126CD 2205CD 2224CD 2244CD 2264CD 2284CD 2205CD 2224CD 2244CD 2264CD 2284CD 2205CD 2224CD 2244CD 2264CD 2284CD 2205CD 2224CD 2244CD 2264CD 2284CD 2205CD 2215CD 2224CD 2234CD 2244CD 2254CD 2264CD

S288 CW14

S637 CW16

B1016 $16.96

S288 CW14 S270 CW16

S270 CW16

B1008 $16.96
One Name. One Solution. One Name. One Solution. One Name. One Solution. One Name. One Solution. One Name. On
94 Visit wiseco.com for on-line ordering, tech info and updates Ph: 800.321.1364
Model Std.Bore x Stroke (mm) 1975-1972-76 x 1972-76 50.7 1980-91 1982-92 1989-92 Years Bore (mm) 56.00 56.25 56.50 56.75 57.00 57.25 57.50 Top End Kit Price Per Kit Piston (rings, pin & clips) 684M05600 684M05625 684M05650 684M05675 684M05700 684M05725 684M05750 Price Per Piston $128.46 Repl. Ring Set 2205CD 2215CD 2224CD 2234CD 2244CD 2254CD 2264CD Repl. Pin & Clips S270 CW16 Complete Top End Gasket Kit Top End Bearing B1016 $16.96
DT125 ATATDT125LC RD125LC DT125 Tenere Pro-LiteTM Two Reed Holes International Bore - Not available in the U.S 1976-82 YZ125
Fuel Management Crankshafts Cams/Valves Clutch

$141.32

YZ125 Power Valve must be modified for.040 or larger YZ125 Pro-LiteTM Power Valve must be modified for.040 or larger YZ125 Pro-LiteTM Ceramic Composite YZ125 Pro-LiteTM Ceramic Composite YZ125 Pro-LiteTM Ceramic Composite YZ125 Pro-LiteTM Ceramic Composite YZ125 Pro-LiteTM Ceramic Composite Racer's Choice GP Style YZ125 Electra Coated No intake window. Pinned on centerline. Longer skirt than stock. Racer's Choice Flat Top Conversion YZ125 No intake window

1986-88

1990-92

1994-96

56 x x 50.x 50.x 54.x 54.x 54.5
56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 57.50 58.00 56.00 56.50 57.00 56.00 56.50 57.00 56.00 56.50 57.00 54.00 54.50 55.00 56.00 54.00 56.00 54.00 56.00
PK1809 PK1805 PK1806 PK1807 PK1808

$217.19

$233.65
PK1801 PK1802 PK1803 PK1700 PK1701 PK1702 PK1703 PK1804

$193.91

$175.77

$188.23 $193.88

435M05600 435M05650 435M05700 435M05750 435M05800 503M05600 503M05650 503M05700 503M05750 503M05800 512M05600 512M05650 512M05700 512M05750 512M05800 521M05600 521M05650 521M05700 521M05750 521M05800 559M05600 559M05650 559M05700 559M05750 559M05800 582M05600 582M05650 582M05700 594M05600 594M05650 594M05700 629M05600 629M05650 629M05700 647M05400 647M05450 647M05500 647M05600 693M05400 693M05600 765M05400 765M05600

$150.06

$165.08 $151.91

$167.09 $155.39

$170.92 $155.39

$170.92 $164.66

$181.12 $160.02

$137.99

$142.80

$124.66

$137.12 $143.91 $158.29 $139.56 $153.53
2205CS 2224CS 2244CS 2264CS 2284CS 2205CS 2224CS 2244CS 2264CS 2284CS 2205CS 2224CS 2244CS 2264CS 2284CS 2205CS 2224CS 2244CS 2264CS 2284CS 2205CS 2224CS 2244CS 2264CS 2284CS 2205CS 2224CS 2244CS 2205CS 2224CS 2244CS 2205CS 2224CS 2244CS 2126CS 2146CS 2165CS 2205CS 2126CS 2205CS 2126CS 2205CS

Top End Can-Am ATV

W4053 $25.60

European Dirt Street

Honda Dirt ATV

W5285 $35.57

Street Kawasaki

S514 CW16

W4904 $35.57

Dirt ATV Street KTM

S270 CW16 S514 CW16 S514 CW16 S514 CW16 S467 CW15 S632 CW15
W5167 $35.57 W5229 W5354 1990-$34.15 $34.15 W5354 $34.15 W5420 $34.15
B1016 $16.96 B1016 $16.96 B1016 $16.96 B1016 $16.96
Dirt ATV Street Polaris ATV Suzuki Dirt
W5420 $34.15 W5420 W2002 $34.15 $36.98 W5677 W6140 1998-01 2003-04 $31.91 $36.98 W5420 W2002 $34.15 $36.98 W5677 W6140 1998-01 2003-04 $31.91 $36.98 W5677 $31.91
B1038 $15.82 B1038 1997-00 $15.82 B1001 2001-04 $15.82 B1001 $15.82
ATV Street Yamaha Dirt ATV Street PWC Sleeves

1997-04

54 x 54.5

54.00 56.00

762M05400 762M05600

$143.75 $158.13

2126CS 2205CS

S632 CW15

YZ125 Pro-LiteTM Ceramic Composite

1998-00

54.00 54.50 55.00 56.00
PK1173 PK1174 PK1175 PK1176

$166.73

$178.62
726M05400 726M05450 726M05500 726M05600

$119.00

$130.89
2126CST 2146CS 2165CS 2205CS

S467 CW15

B1038 1998-00 $15.82
Rings Accessories Apparel
Model Years 2001 Std.Bore x Stroke (mm) 54 x 54.x 54.x 54.x 54.x 54.5 Bore (mm) 54.00 54.50 55.00 56.00 54.00 54.50 55.00 56.00 54.00 54.50 55.00 56.00 54.00 56.00 54.00 56.00 58.00 Top End Kit PK1348 PK1349 PK1350 PK1351 PK1191 PK1192 PK1193 PK1194 PK1344 PK1345 PK1346 PK1347 PK1571 PK1572 PK1390 PK1391 PK1392 Price Per Kit $166.73 Piston (rings, pin & clips) 726M05400 726M05450 726M05500 726M05600 797M05400 797M05450 797M05500 797M05600 797M05400 797M05450 797M05500 797M05600 845M05400 845M05600 846M05400 846M05600 846M05800 Price Per Piston $119.00 Repl. Ring Set 2126CST 2146CS 2165CS 2205CS 2126CST 2146CS 2165CS 2205CS 2126CST 2146CS 2165CS 2205CS 2126CS 2205CS 2126CS 2205CS 2284CS Repl. Pin & Clips S467 CW15 S467 CW15 S467 CW15 S668 CW15 S668 CW15 W6331 $31.80 W6331 $31.80 B1001 $15.82 B1001 $15.82 W6140 $36.98 B1001 $15.82 W5981 $36.98 Complete Top End Gasket Kit W5677 $31.91 Top End Bearing B$15.82 B1001 $15.82

YZ125 Pro-LiteTM Ceramic Composite YZ125 Pro-LiteTM

$178.62 $166.57

$130.89 $113.77

YZ125 Pro-LiteTM

2003-04

$177.97 $166.57

$125.17 $113.77
YZ125 Pro-LiteTM Racer's Choice GP Style YZ125 Electra Coated No intake window. Pinned on centerline. 175CT-2 175CT-3 175DT 175MX 175DT

2005-11

$177.97 $161.39 $172.78 $187.18 $201.15
$125.17 $113.77 $125.16 $139.56 $153.53
thru '77 thru '77 1979-81 1979-82 1979-81

66 x 50

1979-82

1976-81

64.5 x x 57

1984-86

DT200 Pro-LiteTM Canadian Model - Not available in the U.S. WR200

1990-91

66 x 57

1992-98

66.8 x 57
66.00 66.50 67.00 67.50 68.00 66.00 66.50 67.00 67.50 68.00 66.00 66.50 67.00 67.50 68.00 66.00 66.50 67.00 67.50 68.00 66.00 66.50 67.00 67.50 68.00 64.50 65.00 65.50 66.00 66.00 66.50 67.00 67.50 68.00 66.00 66.50 67.00 67.50 68.00 66.80 67.00 67.50 68.00 68.50
471M06600 471M06650 471M06700 471M06750 471M06800 471M06600 471M06650 471M06700 471M06750 471M06800 471M06600 471M06650 471M06700 471M06750 471M06800 374M06600 374M06650 374M06700 374M06750 374M06800 374M06600 374M06650 374M06700 374M06750 374M06800 772M06450 772M06500 772M06550 772M06600 522M06600 522M06650 522M06700 522M06750 522M06800 599M06600 599M06650 599M06700 599M06750 599M06800 818M06680 818M06700 818M06750 818M06800 818M06850

$159.52

$175.47 $159.52

$175.47 $145.29

$159.83 $145.29

$159.83 $117.51

$129.26 $155.45

$173.59 $136.28

$149.91 $121.83

$134.02

2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2539CD 2559CD 2579CD 2598CD 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2628CD 2638CD 2658CD 2677CD 2697CD

S259 CW16

B1021 $16.96

S486 CW16 S259 CW16

B1005 $16.96

S271 CW16

W5913 $28.43
96 Visit wiseco.com for on-line ordering, tech info and updates Ph: 800.321.1364
Model YZ250 Std.Bore x Stroke (mm) 1976-x 64 Years Bore (mm) 70.00 70.50 71.00 71.50 72.00 70.00 70.50 71.00 71.50 72.00 70.00 70.50 71.00 71.50 72.00 70.00 70.50 71.00 71.50 72.00 70.00 70.50 71.00 71.50 72.00 68.00 68.50 69.00 69.50 70.00 70.00 70.50 71.00 71.50 72.00 68.00 68.50 69.00 69.50 70.00 68.00 68.50 69.00 69.50 70.00 68.00 Top End Kit Price Per Kit Piston (rings, pin & clips) 234M07000 234M07050 234M07100 234M07150 234M07200 234M07000 234M07050 234M07100 234M07150 234M07200 234M07000 234M07050 234M07100 234M07150 234M07200 234M07000 234M07050 234M07100 234M07150 234M07200 452M07000 452M07050 452M07100 452M07150 452M07200 515M06800 515M06850 515M06900 515M06950 515M07000 452M07000 452M07050 452M07100 452M07150 452M07200 560M06800 560M06850 560M06900 560M06950 560M07000 605M06800 605M06850 605M06900 605M06950 605M07000 736M06800 Price Per Piston $186.67 Repl. Ring Set 2756CD 2776CD 2795CD 2815CD 2835CD 2756CD 2776CD 2795CD 2815CD 2835CD 2756CD 2776CD 2795CD 2815CD 2835CD 2756CD 2776CD 2795CD 2815CD 2835CD 2756CD 2776CD 2795CD 2815CD 2835CD 2677CD 2697CD 2717CD 2736CD 2756CD 2756CD 2776CD 2795CD 2815CD 2835CD 2677CD 2697CD 2717CD 2736CD 2756CD 2677CD 2697CD 2717CD 2736CD 2756CD 2677CS Repl. Pin & Clips S343 CW18 Complete Top End Gasket Kit Top End Bearing B1003 $16.96

$205.34 $186.67

1978-80

70 x 64

S343 CW18

B1003 $16.96

Cams/Valves Clutch

DT2502, 3

1974-79

1973-75

$205.34 $175.78

1981-82

$193.37 $165.59

IT250 Pro-LiteTM

68 x 68

S511 CW18

B1014 $18.09

Street Kawasaki Dirt

$182.15 $175.78

1980-82

$193.37
YZ250 Pro-LiteTM Power Valve must be modified for.040 or larger YZ250 Pro-LiteTM Power Valve must be modified for.040 or larger 1991 - Ceramic Composite Racer's Choice YZ250 Single Ring YZ250 Pro-LiteTM Ceramic Composite YZ250 Pro-LiteTM Ceramic Composite YZ250 Pro-LiteTM Ceramic Composite YZ250 Pro-LiteTM Ceramic Composite Racer's Choice GP Style YZ250 Single Ring Electra Coated

1983-87

$189.78

W5128 1986-87 $41.28

B1003 1976-81 $16.96 B$18.09 B1014 $18.09
ATV Street KTM Dirt ATV Street

$208.77 $162.59

1988-91
PK1695 PK1696 PK1697 PK1698 PK1699

$219.99

S508 CW18

W5168 $37.95

Polaris ATV Suzuki

$236.27

$178.87

1992-94

68 x x x 68 66.4 x 72 66.4 x 72 66.4 x 72

$170.67

S508 CW18 S508 CW18 S508 CW18 S508 CW18 S508 CW18 S508 CW18

1995-98

1999-01
68.00 68.50 69.00 70.00 68.00 68.50 69.00 70.00 66.40 68.50 66.40 67.00 67.50 68.50 66.40
PK1563 PK1564 PK1565 PK1566 PK1567 PK1568 PK1569 PK1570 PK1573 PK1574 PK1198 PK1199 PK1200 PK1201 PK1704

$213.15

$228.68 $216.27
$231.80 $180.93 $195.20 $185.56
677M06800 677M06850 677M06900 677M07000 677M06800 677M06850 677M06900 677M07000 804M06640 804M06850 804M06640 804M06700 804M06750 804M06850 808M06640

$155.21

$170.74 $155.21
$170.74 $142.98 $157.25 $142.98
2677CD 2697CD 2717CD 2756CD 2677CD 2697CD 2717CD 2756CD 2614CD 2697CD 2614CD 2638CD 2658CD 2697CD 2614CS
W5168 W5467 1992-94 1995-98 $37.95 $42.97 W5168 $37.95
B1014 $18.09 B1014 $18.09
Dirt ATV Street Yamaha Dirt

W5467 $42.97

ATV Street PWC Sleeves Rings Accessories Apparel
W5744 $37.95 W5978 $42.68
B1003 $16.96 B1003 $16.96

$199.93 $241.79

$157.25 $184.18

W5978 $42.68

Model Std.Bore x Stroke (mm) 1988-x 68 Years Bore (mm) 68.00 68.50 69.00 69.50 70.00 68.00 68.50 69.00 70.00 68.00 68.50 69.00 70.00 85.00 85.50 86.00 86.50 85.00 85.50 86.00 86.50 85.00 85.50 86.00 86.50 87.00 85.00 85.50 86.00 86.50 87.00 85.00 85.50 86.00 86.50 87.00 85.00 85.50 86.00 86.50 87.00 87.00 87.50 88.00 88.50 89.00 87.00 87.50 88.00 88.50 89.00 87.00 87.50 88.00 88.50 89.00 Top End Kit Price Per Kit Piston (rings, pin & clips) 605M06800 605M06850 605M06900 605M06950 605M07000 677M06800 677M06850 677M06900 677M07000 677M06800 677M06850 677M06900 677M07000 232M08500 232M08550 232M08600 232M08650 232M08500 232M08550 232M08600 232M08650 394M08500 394M08550 394M08600 394M08650 394M08700 394M08500 394M08550 394M08600 394M08650 394M08700 451M08500 451M08550 451M08600 451M08650 451M08700 451M08500 451M08550 451M08600 451M08650 451M08700 478M08700 478M08750 478M08800 478M08850 478M08900 478M08700 478M08750 478M08800 478M08850 478M08900 546M08700 546M08750 546M08800 546M08850 546M08900 Price Per Piston $162.59 Repl. Ring Set 2677CD 2697CD 2717CD 2736CD 2756CD 2677CD 2697CD 2717CD 2756CD 2677CD 2697CD 2717CD 2756CD 3347TD 3366TD 3386TD 3405TD 3347TD 3366TD 3386TD 3405TD 3347TD 3366TD 3386TD 3405TD 3425TD 3347TD 3366TD 3386TD 3405TD 3425TD 3347TD 3366TD 3386TD 3405TD 3425TD 3347TD 3366TD 3386TD 3405TD 3425TD 3425TD 3445TD 3465TD 3484TD 3504TD 3425TD 3445TD 3465TD 3484TD 3504TD 3425TD 3445TD 3465TD 3484TD 3504TD Repl. Pin & Clips S508 CW18 Complete Top End Gasket Kit W5168 1989-91 $37.95 Top End Bearing B1014 $18.09

WR250 Pro-LiteTM Power Valve must be modified for.040 or larger. 1991 - Ceramic Composite. WR250 Pro-LiteTM Ceramic Composite WR250 Pro-LiteTM Ceramic Composite DT400

$178.87 $155.21

68 x x x x x 70
PK1563 PK1564 PK1565 PK1566 PK1567 PK1568 PK1569 PK1570
S508 CW18 S508 CW18 S277 CW18 S277 CW18 S277 CW18

$231.80

1975-78

$170.74 $184.87

1975-76

$203.36 $184.87

1977-78

$203.36 $160.73

$176.82 $149.52

85 x 70

S277 CW18

$176.82 $189.33

85 X 82

$208.27 $189.33

1980-81

$208.27 $199.46

1983-84

87 x 82

W$40.15

$219.42 $199.46

$219.42 $189.57
YZ490 Pro-LiteTM WR500 Pro-LiteTM

1984-90 1991-93

PK1817 PK1818 PK1819 PK1820 PK1821

$249.82

W5286 $40.15

$268.79

$208.54
98 Visit wiseco.com for on-line ordering, tech info and updates Ph: 800.321.1364
Premium pump fuel required for high compression ratios up to 13.5:1. Increased Octane (race fuel) required for comp. ratios over 13.5:1.

Motorcycle 4-Stroke

Model TTR90E 11:1 High Comp. Std. Bore Bore x Stroke (mm) (mm) 2003-47.00 x 47.50 51.8 48.00 50.00 52.00 Years 2000-x x 59.6 54.00 54.50 55.00 73.00 73.50 74.00 74.50 75.00 77.00 79.00 Top End Kit Price Per Kit Piston (rings, pin & clips) 4840M04700 4840M04750 4840M04800 4840M05000 4840M05200 PK1682 PK1683 PK1684 $157.41 4752M05400 4752M05450 4752M05500 4689M07300 4689M07350 4689M07400 4689M07450 4689M07500 4872M07700 4872M07900 Price Per Piston $116.61 Repl. Ring Set 1850XE 1870XE 1890XE 1969XE 2047XE 2126XE 2146XE 2165XE 2874XC 2894XC 2913XC 2933XC 2953XC 7700XU 3110XG Repl. Pin & Clips S592 CW13 Complete Top End Gasket Kit 47-48mm W6332 $42.56 50mm W6333 $42.56 W5962 $29.81 W5894 $29.81 52mm W6334 $42.56
Fuel Management Crankshafts Cams/Valves Clutch Top End Can-Am

$128.26 $141.09 $126.11

TTR125 11:1 Comp. TTR250 10.5:1 Comp.

S571 CW15 S524 CW18

1999-06

$160.51

$176.65 $169.73 $186.72
WR250F 12.7:1 Comp. (77mm) 13.2:1 Comp. (79mm) Nikasil Bore WR250F 12.5:1 Comp. 290cc Big Bore Cylinder Kit ArmorGlide skirt coat CK Kit includes: Piston, rings, piston pin, retainer clips, gaskets & cylinder. WR250F 12.5:1 Comp. Nikasil Bore WR250F 13.5:1 High Comp. ArmorGlide skirt coat Nikasil Bore YZ250F 12.7:1 Comp. (77mm) 13.2:1 Comp. (79mm) Nikasil Bore YZ250F 13.5:1 Comp. (77mm) 13.9:1 Comp. (79mm) Gas Ported ArmorGlide skirt coat Nikasil Bore YZ250F 12.5:1 Comp. 290cc Big Bore Cylinder Kit ArmorGlide skirt coat CK Kit includes: Piston, rings, piston pin, retainer clips, gaskets & cylinder. YZ250F 12.5:1 Comp. Nikasil Bore YZ250F 13.5:1 High Comp. ArmorGlide skirt coat Nikasil Bore YZ250F Racers Choice 13.5:1 High Comp. Boxed forging Shot peened Titanium Nitride rings ArmorGlide skirt coat

2001-04

77 x 53.x 53.6

PK1241 PK1242

$242.45 $259.44

S742 CW16

W5921 $72.72
ATV European Dirt Street Honda Dirt

2001-11

$856.43

4982M08300

$237.08

3268XG

S677 CW16

W6677 $66.62

77 x 53.x 53.x 53.x 53.6

77.00 79.00 77.00 79.00

PK1401 PK1402 PK1384 PK1385
$242.45 $259.44 $296.67 $305.40
4882M07700 4882M07900 4881M07700 4881M07900
$169.73 $186.72 $223.95 $232.68
7700XU 3110XG 7700YC 3110ZG

S742 CW16 S742 CW16

W5921 $72.72 W5921 $72.72
ATV Street Kawasaki Dirt ATV Street KTM

77.00 79.00

4872M07700 4872M07900

$169.73 $186.72

7700XU 3110XG

PK1382 PK1383

$296.67 $305.40

4858M07700 4858M07900

$223.95 $232.68

7700YC 3110ZG

Dirt ATV Street Polaris

77 x 53.6

3268ZG

2005-07

77 x 53.x 53.x 53.6
ATV Street Yamaha Dirt ATV Street PWC Sleeves Rings Accessories Apparel

RC803M07700

$282.37

7700YCA

Model Std. Bore Bore x Stroke (mm) (mm) 2008-77.00 x 79.00 53.6 Years 2008-x 53.x 53.6 77.00 79.00 Top End Kit PK1844 Price Per Kit $242.45 Piston (rings, pin & clips) 4952M07700 4952M07900 Price Per Piston $169.73 $186.72 Repl. Ring Set 7700XU 3110XG Repl. Pin & Clips S742 CW16 PK1845 $294.08 4976M07700 4976M07900 $221.36 $234.95 7700YC 3110ZG S742 CW16 77.00 RC880M07700 $282.37 7700YCA S677 CW16 W5921 $72.72 W5921 $72.72 Complete Top End Gasket Kit W5921 $72.72
YZ250F 13.5:1 Stock Comp. ArmorGlide skirt coat Nikasil Bore YZ250F 14:1 High Comp. ArmorGlide skirt coat Nikasil Bore YZ250F Racers Choice 14:1 High Comp. Boxed forging Shot peened Titanium Nitride rings ArmorGlide skirt coat TT350 9:1 Comp. XT350 9:1 Comp. WR400F YZ400F 12.5:1 Comp. WR400F YZ400F 13.5:1 High Comp. WR426 YZ426 12.5:1 Stock Comp. WR426 YZ426 13.5:1 High Comp. WR450F 12.5:1 Stock Comp. Nikasil Bore ArmorGlide skirt coat WR450F 13:1 High Comp. Nikasil Bore ArmorGlide skirt coat WR450F 12.5:1 Stock Comp. Nikasil Bore WR450F 13:1 High Comp. Nikasil Bore YZ450F 12.5:1 Stock Comp. Nikasil Bore ArmorGlide skirt coat YZ450F 13:1 High Comp. Nikasil Bore ArmorGlide skirt coat YZ450F 12.5:1 Stock Comp. Nikasil Bore YZ450F 13.5:1 High Comp. Nikasil Bore

2008-11

1985-98
1998-00 1998-99 1998-00 1998-99 2000-02

2000-02

2003-06
86 x 59.x 59.x 60.x 60.x 60.x 60.X 63.X 63.X 63.X 63.X 63.X 63.X 63.X 63.4
86.00 87.00 87.50 86.00 87.00 87.50 92.00 94.00 92.00 94.00 95.00 96.50 97.00 95.00 97.00 95.00 97.00

PK1785 PK1786 PK1787

$209.25 $227.76

PK1799 PK1800

$240.76 $249.01
4674M08600 4674M08700 4674M08750 4674M08600 4674M08700 4674M08750 4649M09200 4649M09400 4650M09200 4650M09400
$185.09 $203.60 $185.09 $203.60 $187.59 $206.33 $206.33
3386XC 3425XC 3445XC 3386XC 3425XC 3445XC 3622XR 3701XR 3622XR 3701XR 3741XS 9650XS 3819XS 3741XS 3819XS 3741XS 3819XS
S475 CW19 S475 CW19 S560 CW18 S560 CW18 S615 CW19 S615 CW19 S600 CW18
W5751 $24.16 W5751 $24.16 92mm W5678 $53.17 92mm W5678 $53.17 95mm W5882 $52.04 95mm W5882 $52.04 95mm W6129 $92.75 95mm W6129 $92.75 95mm W6420 $96.84 95mm W6420 $96.84 95mm W6129 $92.75 95mm W6129 $92.75 95mm W6420 $96.84 95mm W6420 $96.84 94mm W5699 $42.68 94mm W5699 $42.68 96.5-97mm W5960 $67.24 97mm W5960 $67.24 97mm W6130 $101.82 97mm W6130 $101.82 97mm W6421 $96.84 97mm W6421 $96.84 97mm W6130 $101.82 97mm W6130 $101.82 97mm W6421 $96.84 97mm W6421 $96.84

PK1810 PK1811

$261.47 $264.95
4693M09500 4693M09650 4693M09700 4694M09500 4694M09700 4785M09500 4785M09700

$209.43

$230.38

PK1357 PK1358

$318.35 $322.78

$220.96

95.00 97.00

PK1361 PK1362

$327.34 $331.77

4786M09500 4786M09700

$227.34

3741XS 3819XS

S600 CW18

2007-11

95.00 97.00 95.00 97.00 95.00 97.00
PK1359 PK1360 PK1363 PK1364 PK1357 PK1358

$317.80 $340.21 $326.79

4785M09500 4785M09700 4786M09500 4786M09700 4785M09500 4785M09700
3741XS 3819XS 3741XS 3819XS 3741XS 3819XS
S600 CW18 S600 CW18 S600 CW18

$229.95

2003-05

2006-09

95.00 97.00 95.00 97.00
PK1359 PK1360 PK1363 PK1364
4785M09500 4785M09700 4786M09500 4786M09700
3741XS 3819XS 3741XS 3819XS

S600 CW18 S600 CW18

100 Visit wiseco.com for on-line ordering, tech info and updates Ph: 800.321.1364
Model YZ450F 12.5:1 Stock Comp. Nikasil Bore ArmorGlide skirt coat YZ450F 13.5:1 High Comp. Nikasil Bore ArmorGlide skirt coat YZ450F Racers Choice 13.5:1 High Comp. Boxed forging Shot peened Titanium Nitride rings ArmorGlide skirt coat SR500 TT500 XT500 European models 9:1 Stock Comp. XT500 TT500 SR500 10:1 Comp. XT500 TT500 SR500 3mm Big Bore Stock Comp. 9:1 SR500 TT500 XT500 3mm Big Bore 11:1 Comp. XT500 TT500 SR500 12:1 Comp. TT600 Chrome Bore 11.5:1 Comp. XT600 SRX600 Tenere600 Stock Comp. XT600 SRX600 Tenere600 11.5:1 Comp. XT600 SRX600 Tenere600 10:1 Comp. XT600 SRX600 Tenere600 10.75:1 Comp. Crankcase clean-up required 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 1984-96 Std. Bore Bore x Stroke (mm) (mm) 2010-97.00 X 60.8 Years 2010-X 60.X 60.8 97.00 Top End Kit Price Per Kit Piston (rings, pin & clips) 40001M09700 Price Per Piston $209.95 Repl. Ring Set 3819XS Repl. Pin & Clips S759 CW18 40002M09700 $229.95 3819XS S759 CW18 97.00 RC879M09700 $282.37 9700ZSA S759 CW18 W6691 $83.30 W6691 $83.30 Complete Top End Gasket Kit W6691 $83.30

YYYYYYY YYYYYYYYYAMAHA YYYYYYY YYYYYY YYYYYY
2-STROKE MOTORCYCLE PISTONS.. 53 2-STROKE MOTORCYCLE PISTONS.. 59 2-STROKE SREET BIKE PISTONS. 59 4-STROKE MOTORCYCLE PISTONS.. 60 2-STROKE ATV PISTONS.. 62 4-STROKE ATV PISTONS.. 63 OVERBORE PISTON KITS. 64
Photo credits: Kinny Jones Photography
Madman Engineering.com Phone 618-949-3898
Bore Displ. Bore (mm) (cc) Size x (mm) Stroke (mm) Over Sizes (mm) New Wiseco Piston Part No. Previous Wiseco Piston Part No. Price Per Piston Repl. Ring Set See page 106 for $ Repl. Circlips $1.00 (D06) Repl. Wrist Pin

Optional Accessories

Bearings & Gaskets are all Top End
YAMAHA MOTORCYCLE (2-Stroke)
40 x 40 40.41.43 43.STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 727M04000 727M04050 727M04100 727M04150 727M04200 598M04300 598M04350 598M04400 727PS 727P2 727P4 727P6 727P8 598PS 598P2 598P4 65.40 (D4293) 71.94 (D6134) 74.12 (D7444) 1574CD 1594CD 1614CD 1634CD 1654CD 1693CD 1713CD 1732CD CW12 S563 Bearing: Gasket: Con. Rod: Sleeve: B1042 W5704 -

YSR50 BIG BORE KIT

3mm Oversize

40 x 39

Bearing: Gasket: Con. Rod: Sleeve: Bearing: Gasket:

B1042 W5228 -

PW50 thru 2002

40 x 39.2

40 40.25 40.5 40.41.47 47.48.47 47.25 47.5 47.48.49 49.50.49 49.50.47 47.25 47.5 47.48.48 48.49.48 48.49.5 50
STD 0.25 0.50 0.75 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00
653M04000 653M04025 653M04050 653M04075 653M04100 653M04150 653M04200 222M04700 222M04750 222M04800 222M04850 222M04900 649M04700 649M04725 649M04750 649M04775 649M04800 649M04850 649M04900 457M04900 457M04950 457M05000 457M05050 457M05100 465M04900 465M04950 465M05000 465M05050 465M05100 477M04700 477M04750 477M04775 477M04800 477M04850 477M04900 508M04800 508M04850 508M04900 508M04950 508M05000 520M04800 520M04850 520M04900 520M04950 520M05000

65.40 (D4293)

653P4 653P6 653P8 222PS 222P2 222P4 222P6 222P8 649PS NEW 649P2 NEW 649P4 649P6 649P8 457PS 457P2 457P4 457P6 457P8 465PS 465P2 465P4 465P6 465P8 477PS 477P1 477P2 477P3 477P4 477P6 477P8 508PS 508P2 508P4 508P6 508P8 520PS 520P2 520P4 520P6 520P8 71.94 (D6134) 68.67 (D0214) 75.54 (D2354) 65.40 (D4293)
1574CD 1585CD 1594CD 1604CD 1614CD 1634CD 1654CD 1850CS 1869CS 1890CS 1909CS 1929CS 1850CD 1860CD 1869CD 1879CD 1890CD 1909CD 1929CD 1929CD 1949CD 1969CD 1988CD 2008CD 1929CD 1949CD 1969CD 1988CD 2008CD 1850CD 1860CD 1869CD 1879CD 1890CD 1909CD 1929CD 1890CS 1909CS 1929CS 1949CS 1969CS 1890CS 1909CS 1929CS 1949CS 1969CS
1981-91: W5466 1992-02: W5531 Con. Rod: Sleeve: -
YZ80 1974-75 MX80 1980-82 TY80 1974-75 GT1 1973-75 PW80 thru 2000 BW80 thru 2000

47 x 42

Bearing: Gasket: Con. Rod: Sleeve:

B1042 -

B1042 W5560 -
71.94 (D6134) 68.67 (D0214) 75.54 (D2354) 68.67 (D0214) 75.54 (D2354) 68.67 (D0214)

YZ80 1976-80

49 x 42
Bearing: B1042 Gasket: Con. Rod: Sleeve:

YZ80 1981

B1043 -

YZ80 1982-83

47 x 45.6
B1043 1983: W4050 1982: YA827SL 1983: YA827ASL
75.54 (D2354) 68.67 (D0214) 75.54 (D2354) 68.67 (D0214) 75.54 (D2354)

YZ80 1984

48 x 45.6
B1015 W4051 1984: YA873SL

YZ80 1985-87

B1015 1985: W4052 1986: W5281 1987: W5282 Con. Rod: Sleeve: 1985: YA888SL 1986; YA978SL 1987: 3172FA

Bearing: Gasket:

2-stroke pistons are supplied with rings, piston pins & circlips, unless noted otherwise.

YZ80 1988-92

48 x 45.48 48.49.46 STD 0.50 1.00 1.50 2.00 STD 569M04800 569M04850 569M04900 569M04950 569M05000 671M04600 569PS 569P2 569P4 569P6 569P8 671PS 68.67 (D0214) 75.54 (D2354) 76.05 (D3654) 1890CS 1909CS 1929CS 1949CS 1969CS 1810CS CW12 S538 Bearing: Gasket: Con. Rod: Sleeve: B1015 1988-92: W5284 1987-92: YA5056SL, 3172FA

YZ80 1993-01

PRO-LITE International Bore - Not available in the U.S. Ceramic Composite - Cylinder sleeving or replating required for oversizes.

46 x 47.8

B1012 W5353 -
PRO-LITE Ceramic Composite - Cylinder sleeving or replating required for oversizes.

47 x 47.8

47 47.48.5 49

STD 0.50 1.00 1.50 2.00

646M04700 646M04750 646M04800 646M04850 646M04900
646PS 646P2 646P4 646P6 646P8
76.05 (D3654) 83.66 (D9105)
1850CS 1869CS 1890CS 1909CS 1929CS
B1012 W5353 1993-01: CR139 1993-01: YA5183SL, 3177FA
See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6) YZ85 2002
PRO-LITE 47.5 x 47.47.5 49.5 STD 2.00 805M04750 805M04950

NEW NEW

76.05 (D3654) 83.66 (D0205)

1869CS 1949CS

W5983 CR139 -
See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6) LT100 LT100-2 LT100-3 MX100 DT100 YZ100 1976-83
52 x 45.52 52.53.50 50.51.52 52.53.56 56.57.56 56.25 56.5 56.57.25 57.50 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD.025 0.50 0.75 1.00 1.25 1.50 235M05200 235M05250 235M05300 235M05350 235M05400 455M05000 455M05050 455M05100 455M05150 455M05200 771M05200 771M05250 771M05300 771M05350 771M05400 236M05600 236M05650 236M05700 236M05750 236M05800 679M05600 679M05625 679M05650 679M05675 679M05700 679M05725 679M05750 236PS 236P2 236P4 236P6 236P8 679PS 679P1 679P2 679P3 679P4 679P5 679P6 235PS 235P2 235P4 235P6 235P8 455PS 455P2 455P4 455P6 455P8 77.82 (D9664) 85.60 (D6315) 74.12 (D7444) 81.53 (D2984) 79.85 (D1974) 87.84 (D0725) 78.26 (D6964) 86.09 (D5615) 78.12 (D7864) 2047CD 2067CD 2087CD 2106CD 2126CD 1969CD 1988CD 2008CD 2028CD 2047CD 2047CD 2067CD 2087CD 2106CD 2126CD 2205CD 2224CD 2244CD 2264CD 2284CD 2205CD 2215CD 2224CD 2234CD 2244CD 2254CD 2264CD CW14 S288 Bearing: Gasket: Con. Rod: Sleeve: B1012 -

50 x 50

B1016 -

RT100 1990-2000

52 x 45.6

B1012 -

AT1980-86 AT1980-86 MX125 1980-86 IT125 1980-86 DTand up TZR 125 1987-92 DTR 125 1988-96 DTR 125E 1990-96 TDR 125 1990-92 TDR 240 1988-92
PRO-LITE Reed Cutout International Bore - Not available in the U.S.

56 x 50

56 x 50.7

B1008 -

85.93 (D6515)
DT125 1975-76 AT1972-76 AT1972-76 DT125MX 1977-91 DT125LC 1980-91 RD125LC 1982-90 DT125 Tenere 1989-92
PRO-LITE Two Reed Holes International Bore - Not available in the U.S. 56 x 50.56 56.25 56.5 56.57.25 57.50 STD.0.25 0.50 0.75 1.00 1.25 1.50 684M05600 684M05625 684M05650 684M05675 684M05700 684M05725 684M05750 684PS 684P1 684P2 684P3 684P4 684P5 684P6 78.12 (D7864) 2205CD 2215CD 2224CD 2234CD 2244CD 2254CD 2264CD CW16 S270 Bearing: Gasket: Con. Rod: Sleeve: B1016 -

YZ125 1976-82

56 56.25 56.5 56.57.56 56.5 56.57.56 56.5 56.57.25 57.56 56.25 56.5 56.57.25 57.56 56.25 56.5 56.57.25 57.56 56.25 56.5 56.75 57
STD.025.050.075 1.00 1.50 2.00 STD.050.075 1.00 1.50 2.00 STD.050.075 1.00 1.25 1.50 2.00 STD.025.050.075 1.00 1.25 1.50 2.00 STD.025.050.075 1.00 1.25 1.50 2.00 STD.025.050.075 1.00
435M05600 435M05625 435M05650 435M05675 435M05700 435M05750 435M05800 503M05600 503M05650 503M05675 503M05700 503M05750 503M05800 512M05600 512M05650 512M05675 512M05700 512M05725 512M05750 512M05800 521M05600 521M05625 521M05650 521M05700 521M05725 521M05750 521M05800 559M05600 559M05625 559M05650 559M05675 559M05700 559M05725 559M05750 559M05800 582M05600 582M05650 582M05700
435PS 435P1 435P2 435P3 435P4 435P6 435P8 503PS 503P2 503P3 503P4 503P6 503P8 512PS 512P2 512P3 512P4 512P5 512P6 512P8 521PS 521P1 521P2 *521P3 521P4 521P5 521P6 521P8 559PS 559P1 559P2 559P3 559P4 559P5 559P6 559P8 582PS *582P1 582P2 *582P3 582P4

79.03 (D2474)

86.93 (D6125) 75.27 (D6154)
2205CS 2215CS 2224CS 2234CS 2244CS 2264CS 2284CS 2205CS 2224CS 2234CS 2244CS 2264CS 2284CS 2205CS 2224CS 2234CS 2244CS 2254CS 2264CS 2284CS 2205CS 2215CS 2224CS 2234CS 2244CS 2254CS 2264CS 2284CS 2205CS 2215CS 2224CS 2234CS 2244CS 2254CS 2264CS 2284CS 2205CS 2215CS 2224CS 2234CS 2244CS
B1016 1977-79: YA659SL 1980: YA693SL 1981: YA723SL 1982: YA760SL B1016 W4053 1983: YA809SL

YZ125 1983

82.79 (D8694) 75.27 (D6154)

YZ125 1984

B1016 W4053 1984: YA874SL

82.79 (D8694)

YZ125 1985
Power Valve must be modified for.040 and larger. * Limited to Available stock

75.27 (D6154)

B1016 W5285 1985: YA875SL, 3144FA

YZ125 1986-88

PRO-LITE

78.12 (D7864)

Power Valve must be modified for.040 and larger.
B1016 W4904 CR140 1986: YA979SL 1987: YA5014SL 1988: YA5055SL

YZ125 1989

PRO-LITE Ceramic Composite - Cylinder sleeving or replating required for oversizes. * Limited to Available stock
B1016 W5167 CR140 1989: YA5094SL, 3173FA

YZ125 1990-92

PRO-LITE Ceramic Composite - Cylinder sleeving or replating required for oversizes. 56 x 50.56 56.STD.050 1.00 594M05600 594M05650 594M05700 594PS 594P2 594P4 78.12 (D7864) 2205CS 2224CS 2244CS CW16 S514 Bearing: Gasket: B1016 1990-91: W5229 1992: W5322 Con. Rod: CR140 Sleeve: 1990: YA5120SL, 3175FA 1991: YA5118SL, 3174FA 1992: YA514SL, 3343FA B1016 W5420 CR140 1994-95: YA5257SL, 3182FA 1996: YA5348L, 3183FA

YZ125 1994-96

54 x 54.5

54 54.56

STD 0.50 1.00 2.00
647M05400 647M05450 647M05500 647M05600

647PS 647P2 647P4 647P8

78.12 (D7864) 85.93 (D6515)
2126CS 2146CS 2165CS 2205CS

YZ125 1993

56 56.5 57

STD.050 1.00

629M05600 629M05650 629M05700

629PS 629P2 629P4

2205CS 2224CS 2244CS
B1016 1990-91: W5229 1992: W5322 1993: W5354 Con. Rod: CR140 Sleeve: 1993: YA5184SL, 3178FA B1038 W5420 CR174 YA5348SL, 3183FA

YZ125 1997

STD 2.00

693M05400 693M05600

693PS 693P8

2126CS 2205CS

YZ125 1998-01
726M05400 726M05450 726M05500 726M05600
2126CST 2146CS 2165CS 2205CS
1998-00: B1038 1901: B1001 Gasket: W5677 Con. Rod: 1997-00: CR174 2001: CR183 Sleeve: 1996-98: YA5348SL, 3183FA 1999-01: YA5378SL, 3217FA

Bearing:

See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6) YZ125 2002
PRO-LITE 54 x 54.STD 2.00 797M05400 797M05600
85.93 (D6515) 94.52 (D1765)

2126CST 2205CS

B1001 W5981 CR183 -
See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6) 175CT-2 thru 1977 175CT-3 thru 1977 175DT 1979-81 175MX 1979-82 YZ175 1976-81 IT175 1976-81
66 x 66 66.67.66 66.67.64.65.66.5 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 471M06600 471M06650 471M06700 471M06750 471M06800 374M06600 374M06650 374M06700 374M06750 374M06800 772M06450 772M06500 772M06550 772M06600 772M06650 471PS 471P2 471P4 471P6 471P8 374PS 374P2 374P4 374P6 374P8 84.93 (D6905) 93.42 (D5065) 84.93 (D6905) 93.42 (D5065) 87.01 (D1225) 95.72 (D3475) 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2539CD 2559CD 2579CD 2598CD 2618CD CW16 S259 Bearing: Gasket: Con. Rod: Sleeve: B1021 -

66 x 50

B1021 -

RT180 1990-2000

64.5 x 54

IT200 1984-86

66 x 66 66.67.66 66.67.70 70.71.70 70.25 70.5 70.71.68 68.25 68.5 68.69.25 69.68 68.25 68.5 68.69.25 69.68 68.25 68.5 68.69.25 69.STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.25 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.25 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.25 1.50 2.00 522M06600 522M06650 522M06700 522M06750 522M06800 599M06600 599M06650 599M06700 599M06750 599M06800 234M07000 234M07050 234M07100 234M07150 234M07200 452M07000 452M07025 452M07050 452M07075 452M07100 452M07150 452M07200 515M06800 515M06825 515M06850 515M06875 515M06900 515M06925 515M06950 515M07000 560M06800 560M06825 560M06850 560M06875 560M06900 560M06925 560M06950 560M07000 605M06800 605M06825 605M06850 605M06875 605M06900 605M06925 605M06950 605M07000 522PS 522P2 522P4 522P6 522P8 599PS 599P2 599P4 599P6 599P8 234PS 234P2 234P4 234P6 234P8 452PS 452P1 452P2 452P3 452P4 452P6 452P8 515PS 515P1 515P2 515P3 515P4 515P5 515P6 515P8 560PS 560P1 560P2 560P3 560P4 560P5 560P6 560P8 605PS 605P1 605P2 605P3 605P4 605P5 605P6 605P8 87.64 (D8525) 96.40 (D4875) 87.64 (D8525) 96.40 (D4875) 95.69 (D1475) 105.26 (D6136) 95.69 (D1475) 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2618CD 2638CD 2658CD 2677CD 2756CD 2776CD 2795CD 2815CD 2835CD 2756CD 2766CD 2776CD 2786CD 2795CD 2815CD 2835CD 2677CD 2687CD 2697CD 2707CD 2717CD 2727CD 2736CD 2756CD 2677CD 2687CD 2697CD 2707CD 2717CD 2727CD 2736CD 2756CD 2677CD 2687CD 2697CD 2707CD 2717CD 2727CD 2736CD 2756CD CW16 S259 Bearing: Gasket: Con. Rod: Sleeve: B1005 1984-87: YA876SL

DT200 1990-91

PRO-LITE Canadian Model - Not available in the U.S.

66 x 57

B1008 W5913 -
YZ250 1976-79 IT250 1978-80 DT250 1974-79 MX250 1973-75 YZ250 1980-82 IT250 1981-82

70 x 64

B1003 1976-79E: YA658SL
105.26 (D6136) 104.06 (D3426)
IT250 1977-82: B1003 YZ250 1976-81: B1003 YZ250 1982: B1014 Gasket: Con. Rod: Sleeve: 1980-81G, H: YA695SL 1982J: YA764SL Bearing: Gasket: Con. Rod: Sleeve: B1014 -

IT250 1983

68 x 68

114.46 (D8686)

YZ250 1983-87

104.06 (D3426)

B1014 1986-87: W5128 1983-89: CR141 1983: YA810SL 1984: YA877SL 1985: YA878SL 1986: YA980SL 1987: YA5015SL
YZ250 1988-91 WR250 1988-91

105.89 (D4536)

Power Valve must be modified for.040 and larger. 1991 model is Ceramic - Composite Cylinder sleeving or replating required for oversizes.

116.48 (D9896)

B1014 YZ250: 1988: W5130 YZ250: 1989-90: W5168 WR250: 1989-90: W5168 1991: W5268 Con. Rod: 1983-89: CR141 1990-98: CR142 Sleeve: 1988: YA5054SL 1989: YA5095SL 1990: YA5109SL, 3253FA 1991: YA5119SL, 3268FA B1014 YZ250: 1992-94: W5323 1995-98: W5467 Con. Rod: CR142 Sleeve: 1992: 3176FA 1993: 3179FA 1994-95: 3181FA 1996: 3329FA 1997: YA5327SL, 3345FA 1998: YA5352SL, 3345FA Bearing: Gasket:
YZ250 1992-98 WR250 1992-98
PRO-LITE Ceramic Composite - Cylinder sleeving or replating required foroversizes.

68 68.70

677M06800 677M06850 677M06900 677M07000

677PS 677P2 677P4 677P8

105.89 (D4536) 116.49 (D9896)
2677CD 2697CD 2717CD 2756CD
See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6)

YZ250 1999-01

PRO-LITE Ceramic Composite - Cylinder sleeving or replating required for oversizes. 66.4 x 66.4 68.5 STD 2.10 742M06640 742M06850 742PS 742P8 105.89 (D4536) 116.49 (D9896) 2614CD 2697CD CW18 S508 Bearing: Gasket: Con. Rod: Sleeve: B1003 W5744 1999-00: CR173 1990-00: YA5377SL, 3332FA

YZ250 2002

66.4 x 72

804M06640

105.90 (D4536)

2614CD

B1003 W5978 CR173 -
See RACERS CHOICE section for special, high-end racer versions (pgs. 3-6) DT400 1975-78 MX400 1975-78
85 x 85 85.86.85 85.86.85 85.86.87 87.88.87 87.88.STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 232M08500 232M08550 232M08600 232M08650 232M08700 394M08500 394M08550 394M08600 394M08650 394M08700 451M08500 451M08550 451M08600 451M08650 451M08700 478M08700 478M08750 478M08800 478M08850 478M08900 546M08700 546M08750 546M08800 546M08850 546M08900 232PS 232P2 232P4 232P6 232P8 394PS 394P2 394P4 394P6 394P8 451PS 451P2 451P4 451P6 451P8 478PS 478P2 478P4 478P6 478P8 546PS 546P2 546P4 546P6 546P8 103.69 (D1226) 114.05 (D3486) 103.69 (D1226) 114.05 (D3486) 103.69 (D1226) 114.05 (D3486) 108.87 (D2356) 119.75 (D5817) 118.20 (D2907) 130.01 (D0187) 3347TD 3366TD 3386TD 3405TD 3425TD 3347TD 3366TD 3386TD 3405TD 3425TD 3347TD 3366TD 3386TD 3405TD 3425TD 3425TD 3445TD 3465TD 3484TD 3504TD 3425TD 3445TD 3465TD 3484TD 3504TD CW18 S277 Bearing: Gasket: Con. Rod: Sleeve: B1003 -

YZ400 1976-78 IT400 1976-78

85 x 70

B1003 -
YZ465 1980-81 IT465 1980-81

85 x 82

B1014 1980-81: YA698SL
YZ490 1982-83 IT490 1983-84

87 x 82

B1014 YZ490 1983: W4055 1982: YA766SL 1983: YA766ASL
YZ490 1984-90 WR500 1991-93
B1014 YZ490: 1984-86: W4056 1987-90: W5286 WR500: 1991-93: W5287 Con. Rod: Sleeve: 1984-85: YA821SL 1986: YA981SL 1987-90: YA5016SL, 3324FA 1991-95: YA5138SL
YAMAHA INTERNATIONAL MOTORCYCLE (2-Stroke Street)
TZR125 1987-92 DTR125 1989-96 DTR125E 1990-96 TDR125 1990-92
PRO-LITE (with Reed cutout) International Bore - Not available in the U.S. 56.4 x 50.56.5 56.57.25 57.5 0.10 0.35 0.60 0.85 1.10 679M05650 679M05675 679M05700 679M05725 679M05750 679P2 679P3 679P4 679P5 679P6 78.12 (D7864) 85.93 (D6515) 2224CD 2234CD 2244CD 2254CD 2264CD CW16 S270 Bearing: Gasket: Con. Rod: Sleeve: B1008 -
TZR125R (Type 4FL) 1993-97 TDR125 (Type 4FL) 1993-97
PRO-LITE (Flat Top w/Reed cutout) International Bore - Not available in the U.S. Ceramic Composite - Cylinder sleeving or replating required for oversizes.

720M05600

2205CD

TDR240 Twin 1988-92

.040 Oversize PRO-LITE (with Reed cutout) International Bore - Not available in the U.S.

55 x 50.7

56 56.25 56.5 56.57.25 57.5
1.00 1.25 1.50 1.75 2.00 2.25 2.50
679M05600 679M05625 679M05650 679M05675 679M05700 679M05725 679M05750
679PS 679P1 679P2 679P3 679P4 679P5 679P6
2205CD 2215CD 2224CD 2234CD 2244CD 2254CD 2264CD
YAMAHA STREET BIKES (2-Stroke)
RD350 1973-82 RD400 1976-82
Reed Induction 64 x 54 346cc 352cc 358cc 364cc 370cc 64 64.65.STD 0.50 1.00 1.50 2.00 393M06400 393M06450 393M06500 393M06550 393M06600 393PS 393P2 393P4 393P6 393P8 84.72 (D3805) 93.19 (D1955) 2520CD 2539CD 2559CD 2579CD 2598CD CW16 S486 Bearing: Gasket: Con. Rod: Sleeve: B1021 RD350: W5561 -
Kit Part # Bore Size Displ. Kit Price K129 64mm / STD 346cc $169.44 (D66101) K130 64.5mm / 0.50 352cc K131 65mm / 1.00 358cc K132 65.5mm / 1.50 364cc $186.38 (D38111) K133 66mm / 2.00 370cc Kit Includes: Matched & balanced forged pistons, rings, piston pins, circlips (Kit does not include Top End Bearing & Gasket kit) RZ350 1982-90
Liquid Cooled PRO-LITE 64 x 54 346cc 352cc 358cc 364cc 370cc 64 64.65.STD 0.50 1.00 1.50 2.00 513M06400 513M06450 513M06500 513M06550 513M06600 513PS 513P2 513P4 513P6 513P8 87.01 (D1225) 95.72 (D3475) 2520CD 2539CD 2559CD 2579CD 2598CD CW16 S486 Bearing: Gasket: Con. Rod: Sleeve: B1005 W5562 -

Kit Part # Bore Size Displ. Kit Price K134 64mm / STD 346cc $174.03 (D24401) K135 64.5mm / 0.50 352cc K136 65mm / 1.00 358cc K137 65.5mm / 1.50 364cc $191.44 (D68411) K138 66mm / 2.00 370cc Kit Includes: Matched & balanced forged pistons, rings, piston pins, circlips (Kit does not include Top End Bearing & Gasket kit)
YAMAHA MOTORCYCLE (4-Stroke)

TTR125 2000-02

11:1 Compression 54 x 54 123.54.STD 0.50 1.00 4752M05400 4752M05450 4752M05500

NEW NEW NEW

88.40 (D4035)

2126XE 2146XE 2165XE

Bearing: Gasket: Con. Rod: Sleeve: Bearing: Gasket: Con. Rod: Sleeve:

W5962 W5894 -

TTR250 1999-02

10.5:1 Compression

73 x 59.6

73 73.74.5 75

4689M07300 4689M07350 4689M07400 4689M07450 4689M07500
118.14 (D9807) 129.97 (D8977)
2874XC 2894XC 2913XC 2933XC 2953XC

YZ250F 2000-02

12.7:1 Compression (4738M07700) 13.2:1 Compression (4738M07900) 77 x 53.79 STD 2.00 4738M07700 4738M07900 165.00 (D0099) 7700XU 3110XG W5922 S646 Bearing: Gasket: Con. Rod: Sleeve: Bearing: Gasket: Con. Rod: Sleeve: Bearing: Gasket: W5921 W5751 -

XT350 1985-98

9:1 Compression

86 x 59.6

STD 1.00 1.50
4674M08600 4674M08700 4674M08750

4674PS 4674P4

4649PS 4649P8 4649P12
136.22 (D3718) 149.84 (D0998) 138.06 (D3828) 151.86 (D1119)

3386XC 3425XC 3445XC

YZ400F 1998-99 WR400F 1998-00
12.5:1 Compression -8cc Dome Volume

92 x 60.1

STD 2.00 3.00
4649M09200 4649M09400 4649M09500

3622XR 3701XR 3741XS

1998-99, 92mm: W5678 1998-99, 94mm: W5699 Con. Rod: Sleeve: 1998-99 YZF, WR: YA5359SL 1998-99, 92mm: W5678 1998-99, 94mm: W5699 Con. Rod: Sleeve: 1998-99 YZF, WR: YA5359SL Bearing: Gasket: 95mm-96.5mm: W5882 97mm: W5960 Con. Rod: Sleeve: 2000-02: YA5424SL 95mm: W5882 97mm: W5960 Con. Rod: Sleeve: 2000-02: YA5424SL W5688 1975-82 XT, TT: YA375SL Bearing: Gasket:
13.5:1 Compression -6.7cc Dome Volume
4650M09200 4650M09400 4650M09500

4650PS 4650P8 4650P12

138.06 (D3828) 151.86 (D1119)
YZ426 2000-02 WR426 2001-02

12.5:1 Stock Compression

95 x 60.1

95 96.5 97

STD 1.50 2.00
4693M09500 4693M09650 4693M09700

4693PS 4693P8

3741XS 9650XS 3819XS

13.5:1 Compression

4694M09500 4694M09700

4694PS 4694P8

3741XS 3819XS

XT500 TT500 SR500

10:1 Compression

87 x 84

87 87.88.90
STD 0.50 1.00 1.50 2.00 STD
4045M08700 4045M08750 4045M08800 4045M08850 4045M08900 4190M09000
4045PS 4045P2 4045P4 4045P6 4045P8 4190PS
122.30 (D8337) 134.53 (D2708) 123.38 (D3047)
3425XC 3445XC 3465XC 3484XC 3504XC 3544XC

XT500 90mm TT500 90mm

11:1 Compression

90 x 84

W5688 W5689 1983-96: YA814SL
TT600 Chrome Bore 11.5:1 Compression Cylinder sleeving or replating required for oversizes.

95 x 84

STD 1.00

4619M09500 4596M09600

4619PS 4596P4

138.06 (D3828)

3740XJ 3780XH
4-stroke pistons are supplied with rings, piston pins & circlips. Replacement ring style is stamped on piston dome - Example: "C" for XC, "G" for XG and "H" for XH.
XT600 1984-96 SRX600 1984-96 Tenere 600 1984-96
Stock Compression 95 x 97 STD 1.00 2.00 4607M09500 4607M09600 4607M09700 4607PS 4607P4 4607P8 138.06 (D3828) 151.86 (D1119) 3740XH 3780XH 3819XH CW22 S550 XT600, 1988-96: W5726 XT600, 1988-96 Tenere 600 SRX600: W5689 Con. Rod: Sleeve: YA814SL XT600 1988-96: W5726 XT600 1984-87, Tenere 600 SRX600: W5689 Con. Rod: Sleeve: YA814SL XT600 1988-96: W5726 XT600 1988-96: Tenere 600 SRX600: W5689 Con. Rod: Sleeve: YA814SL XT600 1988-96: W5727 XT600 1984-87, Tenere 600 SRX600: W5754 Con. Rod: Sleeve: YA814SL Bearing: Gasket: Bearing: Gasket: Bearing: Gasket: Bearing: Gasket:
XT600 1984-96 SRX600 1986

11.5:1 Compression

4596M09500 4596M09600

4596PS 4596P4

3740XH 3780XH

4607M09800

4607P12

151.86 (D1119)

3858XH
10.75:1 Compression Cylinder Sleeving required Crankcase clean-up required

4607M10100

4607P24

3977XH

YAMAHA ATV PISTONS (2-Stroke)

YT125 1980-86

56 x 56 56.57.66 66.67.66 66.25 66.5 66.67.25 67.5 67.68.68.25 68.5 68.69.25 69.64 64.25 64.5 64.65.25 65.66.25 66.5 STD 0.50 1.00 1.50 2.00 STD 0.50 1.00 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 STD 0.25 0.50 0.75 1.00 1.25 1.50 2.00 STD 0.25 0.50 0.75 1.00 1.25 1.50 2.00 2.25 2.50 236M05600 236M05650 236M05700 236M05750 236M05800 471M06600 471M06650 471M06700 471M06750 471M06800 573M06600 573M06625 573M06650 573M06675 573M06700 573M06725 573M06750 573M06775 573M06800 573M06825 515M06800 515M06825 515M06850 515M06875 515M06900 515M06925 515M06950 515M07000 513M06400 513M06425 513M06450 513M06475 513M06500 513M06525 513M06550 513M06600 513M06625 513M06650 236PS 236P2 236P4 236P6 236P8 471PS 471P2 471P4 471P6 471P8 573PS 78.26 (D6964) 86.09 (D5615) 84.93 (D6905) 93.42 (D5065) 84.74 (D4805) 2205CD 2224CD 2244CD 2264CD 2284CD 2598CD 2618CD 2638CD 2658CD 2677CD 2598CD 2608CD 2618CD 2628CD 2638CD 2648CD 2658CD 2668CD 2677CD 2687CD 2677CD 2687CD 2697CD 2707CD 2717CD 2727CD 2736CD 2756CD 2520CD TBA 2539CD 2549CD 2559CD 2569CD 2579CD 2598CD 2608CD 2618CD CW16 S270 Bearing: Gasket: Con. Rod: Sleeve: B1016 W5067 -

YT175 1982-84

B1021 W5068 -

YFS200 Blaster 1988-02

Bearing: Gasket: Con. Rod: Crankshaft: Sleeve:
B1005 W5232 1987-02: CR170 H105 Blaster 3100FA

93.21 (D2955)

515PS 515P1 515P2 515P3 515P4 515P5 515P6 515P8 513PS 104.06 (D3426)

Tri Z 250

PRO-LITE Liquid Cooled
B1014 W5493 1985-89: YA879SL, 3145FA

YFZ350 Banshee

Thru 2002 Twin Cylinder PRO-LITE Liquid Cooled

64 x 54

346 350.382
513P2 513P3 513P4 513P5 513P6 513P8 513P9 513P10

87.01 (D1225)

95.72 (D3475)
B1005 64mm to 65.5mm: W5231 66mm to 66.5mm: W5474 Con. Rod: 1987-02: CR158 1987-02 Long Rod: CR178 Crankshaft: H100 Long Rod: H114 Sleeve: Thru 02: YA5023SL, 3061FA
Kit Part # Bore Size (mm) Displ. Kit Price K139 64.00 / STD 346cc $203.99 (D93221) K140 64.50 / 0.50 352cc K144 64.75 / 0.75 355cc K141 65.00 / 1.00 358cc K145 65.25 / 1.25 361cc $221.39 (D38231 ) K142 65.50 / 1.50 364cc K143 66.00 / 2.00 370cc K146 66.25 / 2.25 376cc K147 66.50 / 2.50 382cc Kit Includes: Matched & balanced forged pistons, rings, piston pins, circlips & top end gasket kit. YFZ350 Banshee Long Rod Kit
Thru 2002 Twin Cylinder Liquid Cooled 64 x 64 64.65.STD 0.50 1.00 1.50 2.00 795M06400 795M06450 795M06500 795M06550 795M06600
93.87 (D2365) 103.26 (D5916)
2520CD 2539CD 2559CD 2579CD 2598CD
B1005 64mm to 65.5mm: W5231 66mm: W5474 Con. Rod: 1987-01: CR178 Crankshaft: H114 Sleeve: Thru 2002: 3061FA

Must use Long Rod Crank Supplied with piston pin
YAMAHA ATV PISTONS (4-Stroke)
YFM, YTM 200 1984-85 YFM, DXT 1987-88 Moto-4 1987-88
10.25:1 Compression 67 x 55.7 196.67.STD 0.50 1.00 4292M06700 4292M06750 4292M06800 4292PS 4292P2 4292P4 93.58 (D4165) 2638XC 2658XC 2677XC CW16 S256 Bearing: Gasket: Con. Rod: Sleeve: 1984-85: W5069 1984-91: YA762SL
YTM, YFM 225 1984-88 Moto-4 1987-88

10.25:1 Compression

70 x 58

70 70.5 71

STD 0.50 1.00
4312M07000 4312M07050 4312M07100

4312PS 4312P2 4312P4

94.49 (D9665)

2756XC 2776XC 2795XC

1983-86: W5070 1984-89: YA812SL, 3143FA
YFM250 Timberwolf 1992-01 YFB250 Bear Tracker 2000-02

8.7:1 Compression

71 x 58

71 71.5 72

4675M07100 4675M07150 4675M07200

4675PS 4675P2 4675P4

95.40 (D5275)

2795XC 2815XC 3425XC

W5745 Timberwolf: 3237FA WWarrior: 3107FA
YFM350 XT Warrior All yrs. 83 YFM350 WT Big Bear thru '99 x BW350T 1999 64.5 Moto-4 1999

83 83.5 84

4419M08300 4419M08350 4419M08400

4419PS 4419P2 4419P4

104.82 (D0926)

3268XC 3287XC 3307XC

Kodiak 400 1993-99

8.6:1 Compression

83 x 71.5
4676M08300 4676M08350 4676M08400

4676PS 4676P2 4676P4

118.14 (D9807)
W5746 3237FA W5726 3191FA

YFM600 Grizzly 1998-01

Stock Compression

STD 1.00 2.00

4607M09500 4607M09600 4607M09700

4607PS 4607P4 4607P8

138.06 (D3828) 151.86 (D1119) 151.86 (D1119)

3740XH 3780XH 3819XH

Bearing: Gasket: W5726 Con. Rod: Sleeve: 3191FA Bearing: Gasket: Con. Rod: Sleeve: W5727 3192FA

10.75:1 Compression

Cylinder Sleeving required Crankcase clean-up required

W5726 3191FA 3347FA

YFM660R Raptor 2001-02 YFM660F Grizzly 2002

100 x 84

100 100.5 101
4737M10000 4737M10050 4737M10100

3937XS 10050XS 10100XS

Displacement

Bore Size Stroke

Kit Part Number

Comp. Ratio

Cylinder Modifications & Replacement Parts. All replacement pistons are sold complete with piston pins, circlips and rings.

FZ600, FJ600 thru 1997

Kit includes: (4) Pistons, Ring Sets, Piston pins, Circlips and (1) Graphite Head Gasket
2.402" or 61mm 2.5mm oversize Stroke - 55.75mm

K652 NA $440.19 (D31462)

10.25:1
Cylinder Boring Only Piston 4340PS $99.82 (D9895) Graphite Head Gasket: W3893

Rings: 2402XA

Piston pins: S525

Circlips: CW15

FZR600 1989-94 (4-Valve)
Kit includes: (4) Pistons, Ring Sets, Piston pins, Circlips and (1) Spring Steel Head Gasket

619cc 630cc

2.362" or 60mm 1mm oversize Stroke - 54.7mm 2.382" or 60.5mm 1.5mm oversize Stroke - 54.7mm
R619 $497.31 (D04892) R629 $497.31 (D04892)
Cylinder Boring Only Piston 4478M06000 $114.10 (D6486) Spring Steel Head Gasket: W5181 Cylinder Boring Only Piston 4479M06050 $114.10 (D6486) Spring Steel Head Gasket: W5181

Rings: 2362XA

Piston pins: S554

Circlips: CW16

Rings: 2382XA
YZF-R6 1999-01, (4-Valve)
2.618" or 66.5mm 1mm oversize Stroke - 44.5mm 2.658" or 67.5mm 2mm oversize Stroke - 44.5mm
CK109 $497.31 (D04892) CK117 $497.31 (D04892)

12.92:1

Cylinder replating required Piston 4701M06650 $108.67 (D0556) Spring Steel Head Gasket: W5920 Cylinder replating required Piston 4701M06750 $108.67 (D0556) Spring Steel Head Gasket: W5920

Rings: 2618XA

13.2:1

Rings: 2658XA

FZR1000R 1987-88 (5-Valve)

1029cc

3.012" or 76.5mm 1.5mm oversize Stroke - 55.95mm

R1029 $565.60 (D63933)

Cylinder Boring Only Piston: 4453M07650 $124.88 (D3947) Spring Steel Head Gasket: W5482

Rings: 3012XG

Piston pins: S560

Circlips: CW18

FZR1000 1989-96 YZF1000 Thunderace 1997-98 (5-Valve)

1040cc 1070cc

3.031" or 77mm 1.5mm oversize Stroke - 55.85mm 3.071" or 78mm 2.5mm oversize Stroke - 55.85mm

R1041 $565.60 (D63933) R1070 $565.60 (D63933)
Cylinder Boring Only Piston: 4487M07700 $124.88 (D3947) Spring Steel Head Gasket: W5482
Rings: 3032XG Piston pins: S531 Circlips: CW19 Optional Sleeve YA5067SL (Sleeves not included in kit)
Resleeving required. Sleeves can be ordered as a separate component. Not included in kit. Piston: 4487M07800 $124.88 (D3947) Rings: 3071XG Piston pins: S531 Circlips: CW19 Spring Steel Head Gasket: W5483 Optional Sleeve YA5067SL (Sleeves not included in kit)
Displacement Bore Size Stroke Kit Part Number Comp. Ratio Cylinder Modifications & Replacement Parts. All replacement pistons are sold complete with piston pins, circlips and rings.

YZF-R1 1999-01

2.913" or 74mm Standard Bore Stroke - 58mm 3.031" or 75mm 1mm oversize Stroke - 58mm
CK122 $562.47 (D84733) CK119 $554.40 (D00642)
Cylinder deglazing only Piston: 4707M07400 $124.88 (D3947) Sring Steel Head Gasket: W5934 Cylinder boring & replating required Piston: 4743M07500 $124.88 (D3947) Spring Steel Head Gasket: W5934

Rings: 2913XA

Piston pins: S532

Circlips: CW17

1025cc

Rings: 2953XG

XS1100

1179cc 1196cc

2.913" or 74mm 2.5mm oversize Stroke - 68.55mm 2.933" or 74.5mm 3mm oversize Stroke - 68.55mm
K1179 $440.19 (D31462) K1196 $440.19 (D31462)
Cylinder Boring Only Piston: 4069M07400 $99.82 (D9895) Rings: 2913XC Piston pins: S523 Circlips: CW17 Graphite Head Gasket: W2723 Optional Sleeve YA671SL (Sleeves are not included in kit) Cylinder Boring Only Piston: 4069M07450 $99.82 (D9895) Rings: 2933XC Piston pins: S523 Circlips: CW17 Graphite Head Gasket: W2723 Optional Sleeve YA671SL (Sleeves are not included in kit)
FJ1100, FJ1200, XJR1200 1995-98 (4-Valve)
Kit includes: (4) Pistons, Ring Sets, Piston pins, Circlips, (1) Overbore Head Gasket and (1) Fiber Base Gasket.
K1188 $506.28 (D77303) 10.25:1

1188cc

3.032" or 77mm 3mm oversize for FJ1100 Standard Bore for FJ1200 Stroke - 63.75mm

Drop In Kit for FJ1200. Cylinder Boring Only for FJ1100 Piston: 4342M07700 $109.13 (D8456) Rings: 3032XC Piston pins: S555 Spring Steel Head Gasket: W5706 Fiber Base Gasket: W5391 Optional Sleeve: 3015FA (Sleeves are not included in kit) Drop In Kit for FJ1200. Cylinder Boring Only for FJ1100 Piston: 4344M07700 $124.88 (D3947) Rings: 3032XG Piston pins: S555 Spring Steel Head Gasket: W5706 Fiber Base Gasket: W5391 Optional Sleeve: 3015FA (Sleeves are not included in kit) Cylinder Boring Only for FJ1200 Piston: 4552M07800 $99.82 (D9895) Rings: 3071XG Piston pins: S555 Spring Steel Head Gasket: W5585 Fiber Base Gasket: W5391 Optional Sleeve: 3015FA (Sleeves are not included in kit)

R1188 $569.28 (D50343)

1219cc
3.071" or 78mm 4mm oversize for FJ1100 1mm oversize for FJ1200 Stroke - 63.75mm

K1219-1 $469.07 (D44182)

K1219 $595.07 (D23693)
Resleeving and Crankcase Cleanup required for FJ1100. Sleeves included in Kit. Piston: 4552M07800 $99.82 (D9895) Rings: 3071XG Piston pins: S555 Circlips: CW18 Spring Steel Head Gasket: W5585 Fiber Base Gasket: W5391 Sleeve: 3015FA Resleeving and Crankcase Cleanup required for FJ1100. Sleeves included in Kit. Piston: 4552M07900 $109.13 (D8456) Rings: 3110XG Piston pins: S555 Circlips: CW18 Spring Steel Head Gasket: W5586 Fiber Base Gasket: W5391 Sleeve: 3032FA FJ1200 Cylinder Block required for FJ1100 Resleeving and Crankcase Cleanup required for FJ1100 & FJ1200. Sleeves included in kit. Piston: 4552M08100 $109.13 (D8456) Rings: 3189XG Piston pins: S555 Circlips: CW18 Spring Steel Head Gasket: W5587 Fiber Base Gasket: W5391 Sleeve: 3032FA FJ1200 Cylinder Block required for FJ1100

1250cc

3.110" or 79mm 2mm oversize Stroke - 63.75mm

K1250 $632.28 (D56814)

1314cc
3.189" or 81mm 4mm oversize Stroke - 63.75mm

K1314 $632.28 (D56814)

Royal Star 1996-98

1394cc

3.228" or 82mm 3mm oversize Stroke - 65.98mm

CK103 $565.60 (D63933)

10.5:1
Cylinder Boring Only Piston: 4685M08200 $124.88 (D3947) Spring Steel Head Gasket: W5785

Rings: 3228XC

Piston pins: S376

Circlips: CW19