HMXL70-132503 Page 1 of 8 Engine Parts List #1
Ref # 4 4A 7 8B 8 8A 9 9A 9A 9A 18A 19 19A 33 33A 49
Part Number 35256A 33245 35442B 34329A 34330A 34331A 35373A 33273A 35319 30699C 30699B 30588A 30590A 29916
Description Cylinder (Incl. 3,4,4A,5)(3-1/8")(CI liner) Plug, Pipe (1/4-18) Seal, Oil Bushing, Crankshaft Pin, Dowel Blower Housing Baffle (No knock-out for electric start) (Use as required) Blower Housing Baffle (With knock-out for electricstart) (Use as required)
Baffle, Blower housing Screw, 1/4-20 x 5/8" HMXL70-132503 PageGear8 Crankshaft 2 of (Used on early produc tion) Engine Parts List #1 Crankshaft Crankshaft Gear Pin (Used on early pr od.) Piston, Pin & Ring Set (Std.) (3-1/8" ) Piston, Pin & Ring Set (.010" OS) Piston, Pin & Ring Set (.020" OS) Piston & Pin Ass'y. (Std.)(Incl.10)(3 -1/8") Piston & Pin Ass'y. (.010" OS) (Incl. 10) Piston & Pin Ass'y. (.020" OS) (Incl. 10) Ring, Piston pin retaining Ring Set (Std.) (3-1/8" Bore) Ring Set (.010" OS) Ring Set (.020" OS) Rod Assy., Connecting (Incl. 18, 19 & 19A) Dipper, Oil Plate, Lock & Oil dipper (This plate may be replaced by No. 34242 oil dipper but No. 650662C screw must be used.) Bolt, Connecting rod (1 pc.) Bolt, Connecting rod (2 pcs. on early production;1 pc. on current production) Lifter, Valve Camshaft (MCR) Extension, Blower housing Screw, 10-24 x 1/2" * Gasket, Cylinder cover Cover, Cylinder (Incl. 26, 27, 37, 58 A & 59) Bushing, Crankshaft Seal, Oil Rod Assy., Governor (Incl. 34 & 35) Rod, Governor (This one piece governor rodis no longer used. It is replaced by No. 30699C assembly, Ref. No. 5A.) Yoke, Governor Screw, 6-40 x 5/16" Ring, Retaining Shaft, Mechanical governor Spool, Governor Washer, Flat Ring, Retaining Gear Assy., Governor (Incl. 39) Bracket, Governor gear Screw, 10-24 x 1/2" Clamp, Governor lever
Ref # 68A 77 77B 82 82A 134 135
Part Number 27878A 27880A 35557 34041A 6021A 650690 650694A 27896A 27915A 34833A 650549
Description Screw, 10-32 x 3/4" Locknut, 10-32 Lever Assy., Governor Lockwasher, No. 8 E.T. Screw, 8-32 x 5/16" Locknut, 8-32 Screw, 1/4-20 x 1-11/16" Screw, 1/4-20 x 1-3/16" Dipstick (Incl. 59) * Gasket, Oil fill Exhaust Valve (Std.) (Incl. 70) Exhaust Valve (1/32" OS) (Incl. 70) HMXL70-132503 Page 3(Std.) (Incl. 70) Intake Valve of 8 Engine Parts List #1 Intake Valve (1/32" OS) (Incl. 70) Seal, Assy., Intake valve Cap, Upper valve spring Spring, Valve Cap, Lower valve spring Key, Flywheel Clip, Fuel line Retainer, Wire Flywheel Washer, Lock Nut, Hex, 5/8-18 Stud, Solid State mounting Solid State Assy. Cover, Spark plug (Use as required) Screw, Torx T-15, 10-24 x 1" Ground Wire * Gasket, Cylinder head Head, Cylinder Screw, 5/16-18 x 1-3/4" (Use as requi red) Screw, 5/16-18 x 1-1/2" (Use as required, but do notuse No. 650691 washer.) Screw, 5/16-18 x 1-5/8" (Use as required) (Can use No. 6021A but discard No. 650691 washer.) Resistor Spark Plug (RJ-8C) Washer (Use as req.) (Do not use w/60 21A) Screw, 5/16-18 x 1-3/4" (Use as requi red) Washer, Belleville Screw, 5/16-18 x 2" * Gasket, Breather Body, Breather Element, Breather Cover, Breather Screw, 10-24 x 1/2" Nut, Whiz lock, 1/4-28 Gasket, Carburetor Pipe, Intake Screw, Torx T-30, 5/16-18 x 1-1/8" * Gasket, Intake Blower Housing (For electric starter) Control Bracket (Incl. 134, 135, 136 & 138) Spring, Compression Screw, 5-40 x 7/16"

Ref # 175

Part Number 29747B 34586 33272A 650665 34186A
Description Terminal Assy. (Use as required) Screw, 10-32 x 1/2" Spring, Speed control Link, Governor Clip, Conduit Screw, 10-32 x 3/8" Screw, 5/16-24 x 21/32" Cover, Starter bubble Screw, 8-32 x 3/8" Grommet, Plastic Screw, 8-32 x 3/8" Rod, Choke HMXL70-132503 Page 4 ofhead Cover, Cylinder 8 Engine Parts List #1 Screw, 1/4-20 x 1/2" (Use as required ) Screw, 1/4-20 x 5/8" (Use as required ) Screw, 5/16-18 x 5/8" (Use as require d) Screw, 1/4-20 x 5/8" (Use as required ) Plate, Upper fuel tank mounting Screw, 5/16-18 x 5/8" (Use as require d) Bracket Assy., Lower fuel tank mtg. Screw, 1/4-20 x 5/8" Screw, 1/4-15 x 7/8" Fuel Tank (Incl. 176 & 178) NOTE: These tanks were built with different size fuel inlet openings. Tanks with the 1-3/16" I.D. opening use fuel cap 33032 or 34210. Tanks with the 1-1/2" I.D. opening use fuel cap 35355. Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as required) Fuel Cap (White Plastic) (Std) (Use a s req.) Fuel Cap (Ref Plastic) (Spurt Resistant, High Profile) (Use as required) Fuel Cap (Red Plastic) (Use as requir ed) Fuel Line (Use as required) (8.25") ( 21 cm) Fuel Line (Use as required) (16.0") ( 41 cm) Fuel Line (32.0") (81 cm) Clamp, Fuel line (Use as required) * Gasket, Exhaust (Use as required) Muffler Plate, Muffler locking Screw, 5/16-18 x 3-3/16" Cup, Starter Screen, Starter (Stationary) Nut, Whiz lock, 1/4-28 Plug, Starter Decal, Name Inlet Needle, Seat & Clip Assy. Carburetor (Incl. 115) (Refer to Division 5, Section A, page 186 for breakdown) Rewind Starter (Refer to Division 5, Section C, page 30 for breakdown) * Gasket Set (Incl. items marked *)

194 195A 260G 276 280

33032 410144B 27930A 33280A 33279G
HMXL70-132503 Page 5 of 8 Engine Parts List #2
Ref # 108A 108B 177 190B 190C 190 190A 193 260B

Part Number 34704

Description Tube, Breather Grommet, Breather tube Spring, Compression Screw, 5-40 x 7/16" Terminal Assy. (Use as required) Clip, Conduit Screw, 10-32 x 3/8" Rod, Choke Fuel Line (Use as required) (8.25") ( 21 cm) Fuel Line (Use as required) (16.0") ( 41 cm) Fuel Line (32.0") (81 cm) Screen, Muffler (Use as required) HMXL70-132503 Page 6 of 8 (Use as required) Screw, 8-18 x 3/8" Engine Parts List #2 Muffler (Incl. 190A, 190B & 190C) (This spark arrestor mufflercan be used on any model) Cover & Tube, Muffler (Use as require d) Spark Arrestor Kit (Fits "L" shaped m ufflers) Decal, Air cleaner
HMXL70-132503 Page 7 of 8 Engine Parts List #3
Ref # 82A 253 255A 255B 255C 255 256E 256D 256 256C 256B 256A 260B 278
Part Number 650814 27272A 34699 34698A 33329D
Description Flywheel Stud, Solid State mounting Cover, Spark plug (Use as required) Solid State Assy. Screw, Torx T-15, 10-24 x 1" * Gasket, Air cleaner Nut, Wing, 1/4-20 Air Cleaner Elbow Assy.(Incl.244,245, 246,250) Pop Rivet (1/8" dia.) (Can be bought locally) Bracket, Air cleaner * Gasket, Air cleaner elbow Fitting, Breather tube HMXL70-132503 Page 8 of 8 Elbow, Air cleaner Engine Parts List #3 Screw, 10-32 x 7/8" Stud, 1/4-20 x 8.1 Bracket, Air cleaner Nut, 1/4-20 Nut & Lockwasher, 1/4-20 Air Cleaner, Starter Can be used on HM70 with diecast starter Bracket, Starter air cleaner Can be used on HM70 with diecast starter Instruction Decal Can be used on HM70 with diecast starter. Starter Muff Kit (Incl. 255A, 255B, & 255C) Can be used on HM70 with diecast starter Instruction Decal Can be used on HM70 with stamped steel recoil starter. Screw, 5/16-18 x 1-5/8" Can be used on HM70 with stamped steel recoil starter Debris Screen Kit (Incl. 256A thru 25 6E) HM70 with stamped steel recoil starter Can be used on
Seal, Screen Can be used on HM70 with stamped steel recoil starter Spacer, Screen Can be used on HM70 with stamped steel recoil starter Debris Screen Can be used on HM70 with stamped steel recoil starter Decal, Air cleaner Starter Motor Kit (110-120 Volt) This 110-120 volt starter motor kit may have been added to this engine. It can be added only if cylinder hasdrilled and tapped starter mounting bosses and a ring gear flywheel has been added (see #279). Refer to service number stamped on end cap ofmotor, or decal fo Flywheel (Ring gear flywheel requiredon engine using 110-120 Volt starter motor kits listed above.) (Use on Std. point ignition) Flywheel (Minimum ring gear flywheel required on engine using 110-120 Volt starter motor kits listed above.) (Use on Solid State ignition)

HMXL70-132501 Engine Parts List #1

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HMXL70-132501 Engine Parts List #1 Ref # 4A 6 Part Number 27652 29536

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Qty Description Cylinder (Incl. 3,4,4A,5)(3-1/8")(CI liner) Plug, Pipe (1/4-18) Bushing, Crankshaft Seal, Oil Pin, Dowel Blower Housing Baffle (No knock-out for electric start) (Use as required) Blower Housing Baffle (With knock-out for electricstart) (Use as required) Baffle, Blower housing Screw, 1/4-20 x 5/8" Crankshaft Gear Pin (Used on early pr od.) Crankshaft Gear (Used on early produc tion) Crankshaft Piston, Pin & Ring Set (Std.) (3-1/8" ) Piston, Pin & Ring Set (.010" OS) Piston, Pin & Ring Set (.020" OS) Piston & Pin Ass'y. (Std.)(Incl.10)(3 -1/8") Piston & Pin Ass'y. (.010" OS) (Incl. 10) Piston & Pin Ass'y. (.020" OS) (Incl. 10) Ring, Piston pin retaining Ring Set (Std.) (3-1/8" Bore) Ring Set (.010" OS) Ring Set (.020" OS) Rod Assy., Connecting (Incl. 18, 19 & 19A) Plate, Lock & Oil dipper (This plate may be replaced by No. 34242 oil dipper but No. 650662C screw must be used.) Dipper, Oil Bolt, Connecting rod (1 pc.) Bolt, Connecting rod (2 pcs. on early production;1 pc. on current production) Lifter, Valve Camshaft (MCR) Extension, Blower housing Screw, 10-24 x 1/2" * Gasket, Cylinder cover Cover, Cylinder (Incl. 26, 27, 37, 58 A & 59) Bushing, Crankshaft Seal, Oil Rod Assy., Governor (Incl. 34 & 35) Rod, Governor (This one piece governor rodis no longer used. It is replaced by No. 30699C assembly, Ref. No. 5A.) Yoke, Governor Screw, 6-40 x 5/16" Ring, Retaining Shaft, Mechanical governor Spool, Governor Washer, Flat Ring, Retaining Gear Assy., Governor (Incl. 39) Bracket, Governor gear Screw, 10-24 x 1/2" Clamp, Governor lever Screw, 10-32 x 3/4" Locknut, 10-32
6 35256A 8A 8B 9A 9A 9A 17 18A 35442B 34554 34329A 34330A 34331A 35373A 32590
19A 33A 35375 33273A 35319 30699C 30699B 30588A 30590A 29216
HMXL70-132501 Engine Parts List #1 Ref # 68A 81 82A 98 Part Number 27878A 27880A 34041A 6021A

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Qty Description Lever Assy., Governor Lockwasher, No. 8 E.T. Screw, 8-32 x 5/16" Locknut, 8-32 Screw, 1/4-20 x 1-11/16" Screw, 1/4-20 x 1-3/16" Dipstick (Incl. 59) * Gasket, Oil fill Exhaust Valve (Std.) (Incl. 70) Exhaust Valve (1/32" OS) (Incl. 70) Intake Valve (Std.) (Incl. 70) Intake Valve (1/32" OS) (Incl. 70) Seal, Assy., Intake valve Cap, Upper valve spring Spring, Valve Cap, Lower valve spring Key, Flywheel Clip, Fuel line Flywheel Washer, Lock Nut, Hex, 5/8-18 Stud, Solid State mounting Cover, Spark plug (Use as required) Solid State Assy. Screw, Torx T-15, 10-24 x 1" Ground Wire * Gasket, Cylinder head Head, Cylinder Screw, 5/16-18 x 1-3/4" (Use as requi red) Screw, 5/16-18 x 1-1/2" (Use as required, but do notuse No. 650691 washer.) Screw, 5/16-18 x 1-5/8" (Use as required) (Can use No. 6021A but discard No. 650691 washer.) Resistor Spark Plug (RJ-8C) Washer (Use as req.) (Do not use w/60 21A) Screw, 5/16-18 x 1-3/4" (Use as requi red) Washer, Belleville Screw, 5/16-18 x 2" * Gasket, Breather Body, Breather Element, Breather Cover, Breather Screw, 10-24 x 1/2" Nut, Whiz lock, 1/4-28 Gasket, Carburetor Pipe, Intake Screw, Torx T-30, 5/16-18 x 1-1/8" * Gasket, Intake Blower Housing (For electric starter) Control Bracket (Incl. 134, 135, 136 & 138) Spring, Compression Screw, 5-40 x 7/16" Terminal Assy. (Use as required) Screw, 10-32 x 1/2" Spring, Speed control Link, Governor Clip, Conduit

650694A 27896A 27915A 34833A 34667 27793
HMXL70-132501 Engine Parts List #1 Ref # 175 Part Number 29747B 34586 33272A 650665 34186A

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Qty Description Screw, 10-32 x 3/8" Screw, 5/16-18 x 3/4" Screw, 5/16-24 x 21/32" Cover, Starter bubble Screw, 8-32 x 3/8" Rod, Choke Cover, Cylinder head Screw, 1/4-20 x 1/2" (Use as required ) Screw, 1/4-20 x 5/8" (Use as required ) Screw, 5/16-18 x 5/8" (Use as require d) Screw, 1/4-20 x 5/8" (Use as required ) Plate, Upper fuel tank mounting Screw, 5/16-18 x 5/8" (Use as require d) Bracket Assy., Lower fuel tank mtg. Screw, 1/4-20 x 5/8" Screw, 1/4-15 x 7/8" Fuel Tank (Incl. 176 & 178) NOTE: These tanks were built with different size fuel inlet openings. Tanks with the 1-3/16" I.D. opening use fuel cap 33032 or 34210. Tanks with the 1-1/2" I.D. opening use fuel cap 35355. Fuel Cap (Red Plastic) (Spurt Resistant, Low Profile) (Use as required) Fuel Cap (White Plastic) (Std) (Use a s req.) Fuel Cap (Ref Plastic) (Spurt Resistant, High Profile) (Use as required) Fuel Cap (Red Plastic) (Use as requir ed) Fuel Line (Use as required) (8.25") ( 21 cm) Fuel Line (Use as required) (16.0") ( 41 cm) Fuel Line (32.0") (81 cm) Clamp, Fuel line (Use as required) * Gasket, Exhaust (Use as required) Muffler Plate, Muffler locking Screw, 5/16-18 x 3-3/16" Cup, Starter Screen, Starter (Stationary) Nut, Whiz lock, 1/4-28 Plug, Starter Decal, Name Inlet Needle, Seat & Clip Assy. Carburetor (Incl. 115) (Refer to Division 5, Section A, page 186 for breakdown) Rewind Starter (Refer to Division 5, Section C, page 30 for breakdown) * Gasket Set (Incl. items marked *)
176 410144B 195A 260G 26460 27930A 33280A 632464

280 33279G

HMXL70-132501 Engine Parts List #2

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HMXL70-132501 Engine Parts List #2 Ref # 108A 108B 177 190B 190C 190 Part Number 650578 391026

Page 6 of 9

Qty Description Tube, Breather Grommet, Breather tube Spring, Compression Screw, 5-40 x 7/16" Terminal Assy. (Use as required) Clip, Conduit Screw, 10-32 x 3/8" Rod, Choke Fuel Line (Use as required) (8.25") ( 21 cm) Fuel Line (Use as required) (16.0") ( 41 cm) Fuel Line (32.0") (81 cm) Screen, Muffler (Use as required) Screw, 8-18 x 3/8" (Use as required) Muffler (Incl. 190A, 190B & 190C) (This spark arrestor mufflercan be used on any model) Cover & Tube, Muffler (Use as require d) Spark Arrestor Kit (Fits "L" shaped m ufflers) Decal, Air cleaner

190A 34479 260B 34704

HMXL70-132501 Engine Parts List #3

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HMXL70-132501 Engine Parts List #3 Ref # 82 82A 253 255A Part Number 650814 27272A 34698A 650825 34687

Page 8 of 9

Qty Description Flywheel Stud, Solid State mounting Solid State Assy. Cover, Spark plug (Use as required) Screw, Torx T-15, 10-24 x 1" * Gasket, Air cleaner Nut, Wing, 1/4-20 Cover Assy., Air cleaner Filter, Pre-Air Element, Air cleaner (Incl. 253) Air Cleaner Elbow Assy.(Incl.244,245, 246,250) Pop Rivet (1/8" dia.) (Can be bought locally) Bracket, Air cleaner * Gasket, Air cleaner elbow Fitting, Breather tube Elbow, Air cleaner Screw, 10-32 x 7/8" Stud, 1/4-20 x 8.1 Bracket, Air cleaner Nut, 1/4-20 Nut & Lockwasher, 1/4-20 Air Cleaner, Starter Can be used on HM70 with diecast starter Bracket, Starter air cleaner Can be used on HM70 with diecast starter Instruction Decal Can be used on HM70 with diecast starter. Starter Muff Kit (Incl. 255A, 255B, & 255C) Can be used on HM70 with diecast starter Instruction Decal Can be used on HM70 with stamped steel recoil starter. Screw, 5/16-18 x 1-5/8" Can be used on HM70 with stamped steel recoil starter Debris Screen Kit (Incl. 256A thru 25 6E) HM70 with stamped steel recoil starter Can be used on
255B 34869 255C 730572 256E 34387 256D 730573 256C 35570 256B 35569 256A 35568 260B 33329D
Seal, Screen Can be used on HM70 with stamped steel recoil starter Spacer, Screen Can be used on HM70 with stamped steel recoil starter Debris Screen Can be used on HM70 with stamped steel recoil starter Decal, Air cleaner Starter Motor Kit (110-120 Volt) This 110-120 volt starter motor kit may have been added to this engine. It can be added only if cylinder hasdrilled and tapped starter mounting bosses and a ring gear flywheel has been added (see #279). Refer to service number stamped on end cap ofmotor, or decal fo Flywheel (Ring gear flywheel requiredon engine using 110-120 Volt starter motor kits listed above.) (Use on Std. point ignition)

279 610847

HMXL70-132501 Engine Parts List #3 Ref # Part Number 279 611091

Page 9 of 9

Qty Description Flywheel (Minimum ring gear flywheel required on engine using 110-120 Volt starter motor kits listed above.) (Use on Solid State ignition)