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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.

Bow Tie Cotter Pin

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

Briggs & Stratton Spark Plug (RJ19LM). If the engine does not start or runs poorly then the spark plug may be defective and will need replacement.

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.

Fuel cap assembly

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.

Briggs & Stratton in-line fuel filter. The filter screen is on the large side of the housing. The port on the large side goes to the fuel tank while the port on the small side of the housing goes to the carburetor.

Self-tapping screw. 5/16-18 inches by .75 inches.

Fuel cap

MTD flange lock nut, 5/16-18.

Briggs & Stratton in-line fuel filter. If the fuel filter is clogged, it will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

MTD flange lock-nut, 1/4-20.

Cable, front drive. 30.5 inches

Briggs & Stratton flywheel key. The flywheel key aligns the flywheel in the correct position on the crankshaft. If the engine stops suddenly due to hitting a hard object, the flywheel key shears in half to prevent damage to the engine. If the flywheel key is broken, the engine won't start.
Murray tillers are built tough for garden preparation and soil cultivation. When your tiller won't start, won't engage the tines, or runs rough, Repair Clinic carries genuine OEM Murray replacement parts. Whether you're running a front-tine or rear-tine model, we have the exact parts you need to get back to tilling.
Most Murray tiller repairs come down to a handful of common failures. Carburetors clogged with stale ethanol fuel are the #1 issue — a carburetor kit or cleaning often brings a no-start tiller back to life. Drive belts and tine belts wear out from regular use, and shear pins are designed to break when the tines hit an obstruction. Fuel system parts like lines and primers also fail from seasonal storage. Find your Murray model number on the tiller frame and enter it above to locate the exact OEM parts for your machine.
Look on the frame of the tiller near the engine — there's usually a metal identification plate or sticker with the model number. It may look like "MTD 12345" or "Murray 67890." Write it down and enter it in the search box above. That model number tells us exactly which carburetor, belt, and fuel system parts fit your machine.
Front-tine models (lighter duty) use a single set of tines powered by a simpler belt drive. Rear-tine models (heavier duty) have two sets of tines and a more robust transmission. Parts are completely different between the two — always use your model number to order the right one. Ordering the wrong belt or gearbox part won't fit.
Nine times out of ten, it's the carburetor. Ethanol in gasoline eats away at the carb's internal needle and float over a season or two of storage. Start with a carburetor rebuild kit (around $15 to $25) — it includes new gaskets, O-rings, and a cleaning tool. If that doesn't work, order the full carburetor assembly. Spark plug and air filter are also worth checking while you're at it.
Murray is owned by MTD Products, which also makes Yard Machines, Yard-Man, and Bolens tillers. Some internal engine parts cross-reference, but belt sizes, carburetor types, and transmission gears are model-specific. Always verify with your exact model number before ordering. We'll show you the right part for your machine — no guessing needed.


Ordering Murray tiller parts online is simple and helps you find genuine OEM parts for your unit. With same-day shipping on most in-stock items, you'll have your replacement part fast, minimizing downtime. Our model/part number lookup finds the exact OEM part for your unit, and every order is backed by our 365-day return policy and price-match guarantee. Browse our repair help section for troubleshooting tips, part testing guides, and step-by-step installation videos for your specific product.
On many Murray tillers, the model number appears on a label or metal plate attached to the frame near the engine. Check both sides of the frame, then look over the engine housing and near the recoil starter if you do not see it right away. This number identifies the entire tiller, so use it to narrow Repair Clinic's full selection of Murray tiller parts, including engine, belt, tine, control, and fuel-system parts. Enter the number in the model number search to pull up the parts matched to your unit. Compare the complete number carefully, including every letter and suffix, before searching. That means fewer wrong orders and a faster repair.

Murray Tiller problems usually trace back to a handful of common causes, and Repair Clinic's online resources help you find them fast. Symptom articles, diagnostic videos, and part testing walkthroughs guide you through the checks that isolate the failed part. Once identified, look it up by model number and follow the installation guide to complete the fix.