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$4.67

Champion Spark Plug (RC12YC). The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

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$7.83

Honda air cleaner (or air filter). If the air filter is clogged or dirty, the engine may not start or may run rough.

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$5.39

Small engine Champion spark plug (RJ19LM). If the engine does not start, the spark plug may be defective. The spark plug should be replaced periodically during regular maintenance.

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$24.89

Carburetor for 2-cycle engine. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough.

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$6.81

MTD Spark Plug. The spark plug ignites the fuel and air mixture in the cylinder to power the engine. If the spark plug is burnt, fouled or damaged the engine may not start or may run rough.

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$7.57

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.

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$24.93

Two cycle engine carburetor. If the engine runs rough, the carburetor may be restricted. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.

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$2.89

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

$17.39

Genuine MTD 742-0305A-0637 Articulating Roto-Tiller Tine

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$16.03

Small engine primer bulb with hose, large diameter. If the engine does not start the primer bulb may be defective and unable to draw additional fuel in to the carburetor to assist with starting the engine.

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Quality Troy-Bilt Tiller Replacement Parts From Repair Clinic

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.