ENGINE PARTS - MODEL 790r 2-CYCLE GAS TRIMMER
(Serial Number 810046371 and greater)

Part No.

181079

Description

Air Cleaner/Muffler Cover Assembly (includes 2 & 42) Air Cleaner Filter Carburetor Mounting Screw Assembly Wavey Washer Choke Lever Assembly (includes 6) Choke Knob and Screw Choke Lever and Plate (includes 5) Carburetor Assembly W/Limiter Caps (includes 9 & 21) Carburetor Gasket Carb Mount Screw Primer and Hose Assembly Carb Mount Assembly (includes 10) Reed Assembly Power Shaft Assembly Carburetor Mount Gasket Crank Case Service Assembly (includes 10, 14 & 24) Rear Mounting Pad Fuel Tank Assembly (includes 19-21) Fuel Cap Assembly Fuel Return Line Fuel Line Assembly Front Mounting Pad Shroud Assembly Shroud Screw Shroud Extension and Stand Flywheel Assembly Spacer Recoil Pulley Assembly Recoil Spring Rope Guide Pulley Retainer Assembly Switch Assembly (includes 44) Pull Handle

* * * * * * * * * * * *

613103 181443
Rope Starter Housing Assembly (includes 28-34, 42 & 44) 181862 Housing Screw 181074 Clutch Washer 181445 Clutch Rotor Assembly 153592 Clutch Drum Assembly 612468 Spring 180098 Clutch Cover Assembly 181345 Cover Screw 153597 Upper Clamp Assembly 180036 Wire Lead 181937 Module Assembly 610311 Spark Plug 182065 Exhaust Gasket 182066 Muffler Assembly (includes 47 & 49) 147575 Muffler Mounting Bolt Assembly 181622 Cylinder Assembly (includes 53) 684449 Piston and Rod Assembly 610674 Cylinder Gasket 181870 Cylinder Bolt 180011 Engine Gasket Kit 180602 O.E.M. Carburetor Repair Kit (Walbro) 180090 O.E.M. Carburetor Repair Kit (Zama) 181873 Gasket Diaphragm Repair Kit (Walbro) 180091 Gasket Diaphragm Repair Kit (Zama) 180530 Piston Ring 181623 Short Block Assembly (includes 10, 14, 16, 24, 46, 50-53) 610676 Flywheel Key 181501 Starter Housing Screw Set 610309 Crankcase Seal 181599 Clutch Springs (Qty. 2) Items Not Shown

Issued 10/98

BOOM AND TRIMMER PARTS - MODEL 790r 2-CYCLE GAS TRIMMER

41 * * *

613226 682075
Throttle Housing and Trigger Assembly (includes 2 & 3) Throttle Trigger Spring Throttle Trigger Throttle Cable Assembly Harness Clip Upper Drive Shaft Housing Assembly J-Handle Assembly (includes 8 & 9) Grip Tube Closure Handle Bracket Assembly (includes 11-16) Screw Upper Handle Clamp Middle Handle Clamp Lower Handle Clamp Nut Anti-Rotation Screw Click-Link Coupler (includes 18-21) Screw Bolt Adjustment Knob Knob Retaining Nut Lower Drive Shaft Housing Assembly Lower Flexible Drive Shaft Shield Mounting Screw Shield and Blade Assembly (includes 26) Blade Assembly Blade Shield Mounting Hardware Mounting Hardware and Grease Plug Gearbox Assembly (includes 28, 31, 32 & 41 Blade Shield Shaft Bushing Retaining Washer Spool Shaft Outer Spool and Eyelet Assembly Retainer Spring Inner Reel Bump Head Knob Assembly 4-Tooth Blade (includes 40) Blade Cover Nut Blade Retaining Kit (includes 32 & 41) Locking Rod Tool Shoulder Harness

Optional Accessories

* * * * * 612454 Replacement Line, 0.095 Diameter 147345 Reel and Line Assembly 147498 Bump Head Assembly (includes 33-38) 147543 Ryobi 2-Cycle Oil Items Not Shown