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Fuel line. The fuel line allows fuel to travel from the fuel tank to the carburetor and from the primer bulb to the fuel system. If the fuel line is leaking, replace it.

Replacement clutch kit

Champion Spark Plug (RDJ7Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

Small engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.

Fuel filter & fuel line kit. If the fuel filter and fuel line are clogged, they will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

Small engine recoil starter assembly with snow equipment handle. The recoil starter engages the drive cup on the flywheel to start the engine.

Nut hex flange

On-Off Switch

Washer 3/8 Splt Lock

Wheel-complete 7"

Knob-Star 5/16-18

Spark plug

Key-hi-pro

Carburetor gasket pl

Fuel Cap-Red. This cap has been re-designed by MTD and no longer has a foam baffle inside.
If you pride yourself on having a green thumb, tilling and cultivating is certain to be one of your favorite warm weather activities… but not if your tiller lets you down. When that happens, turn to Repair Clinic and our full inventory of Troy-bilt tiller parts. Keeping your tiller engine tuned-up with a fresh spark plug and air filter is strongly recommended before the tilling season even begins. If the engine runs rough, it’s possible the fuel filter or carburetor is clogged with the residue of old fuel. All of these engine parts are available from Repair Clinic, along with new roto-tiller tines, control cables, drive belts, handles, and more. Enter the full model number of your tiller in Repair Clinic’s search bar for a complete list of parts compatible with your model, including such popular models as the Troy-bilt Horse Garden Tiller and the Big Red Garden Tiller, both powered by a 306cc Briggs and Stratton engine. If you’re having trouble finding the tiller replacement part you need, please contact our Customer Service Team at 1-800-269-2609; they’ll be happy to assist you with your selection and purchase.
From a comprehensive part inventory to an unmatched library of repair help materials, Repair Clinic supports every do-it-yourselfer. Check out some of our "how-to” videos, diagrams, schematics, and articles to discover how easy it can be to troubleshoot problems and repair appliances, lawn and garden equipment, and heating and cooling products with help from Repair Clinic.