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Troybilt 21A-654J66 rear-tine tiller Parts
Here are the diagrams and repair parts for Troybilt 21A-654J66 rear-tine tiller, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for21A-654J66 Tillers
Handlebar and controls diagram
Screw, Shoulder, .373 X .180 X 1/4-20
Part #738-04088
The manufacturer no longer makes this part, and there's no substitute part
Handlebar and controls diagram
Spacer, .270 X .375 X 5.00 Lg
Part #750-04226
The manufacturer no longer makes this part, and there's no substitute part
Handlebar and controls diagram
Shift Lever
Part #786-04213
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Belt Keeper
Part #747-04191
The manufacturer no longer makes this part, and there's no substitute part
Transmission diagram
Seal, Oil, .750 Shaft X 1.125 Bore
Part #721-04073
The manufacturer no longer makes this part, and there's no substitute part
Handlebar and controls diagram
Block, Mounting, Bail
Part #731-04644
The manufacturer no longer makes this part, and there's no substitute part
Tine shield diagram
Tine Shield
Part #786-04179
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Belt Cover
Part #731-04590
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Pulley, 3i, 3.088 Eff Dia
Part #756-04081
The manufacturer no longer makes this part, and there's no substitute part
Drive system diagram
Spacer, .330 X 1.250 X .845
Part #750-04261
The manufacturer no longer makes this part, and there's no substitute part
Most common symptoms to help you fix your tillers
Choose a symptom to see related tiller repairs.
Main causes: leaky engine head gasket, damaged sump gasket, damaged oil drain plug seal, loose or cracked fuel line, lea...
Main causes: dirty carburetor, engine needs tune up, stale gas...
Main causes: carburetor failure, bad gasoline, dirty spark plug, broken recoil starter...
Main causes: broken shaft clevis pins, transmission failure...
Main causes: damaged tines, broken clevis pins, worn drive belt, faulty transmission, clutch cable problems, improper de...
Main causes: clutch cable problems, faulty transmission...
Main causes: worn or broken drive belts, bad transmission, clutch cable problems...
Most common repair guides to help fix your tillers
These step-by-step repair guides will help you safely fix what’s broken on your tiller.
How to replace a tiller recoil starter
The recoil starter spins the engine when you pull the starter rope, and the rope retracts when released. If the recoil s...
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your tillers
Use the advice and tips in these articles and videos to get the most out of your tiller.
Thinking about tilling your garden this fall? Learn the pros and cons of fall tilling, when it makes sense, and how to p...
This chart will help you find the right carburetor for your Craftsman snowblower, tiller or log splitter....
These frequently asked questions might help you figure out what's wrong with your garden tiller....
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