Price Match GuaranteeTecumseh Lawn Mower JS40/Engine: 12S502-0114-B1 Parts
Shop replacement repair parts for Tecumseh Lawn Mower model JS40/Engine: 12S502-0114-B1
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.
Briggs & Stratton recoil starter kit. The recoil starter engages the drive cup on the flywheel to start the engine. If the recoil starter is defective, the engine may not start.
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.
Replacement Briggs & Stratton fuel line kit with clamps. 1/4 Inch inside diameter, Cut to length.
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.
Kawasaki 10W-40 4-Cycle Engine Oil. Kawasaki KTECH 4-cycle oil is enhanced with Anti-Foaming and Anti-Sheer agents, along with other additives.
Ignition coil. The ignition coil sends voltage to the spark plug while the engine is running. If the ignition coil is defective, the engine may not start. If your engine was built before date code 101230xx, you will need to order a new Governor Arm see Related Items below.
Small engine carburetor bowl gasket.
RC Item #1567970
Briggs & Stratton carburetor primer bulb. The primer bulb draws fuel into the carburetor to make the engine easier to start.
Cap-fuel tank
Carburetor needle & seat kit. Comes with installation instructions. The float needle allows fuel to enter the float bowl. If the float needle is stuck closed, the engine will not get fuel and thus will not start.
Briggs & Stratton Spark Plug (RC12YC), Selected Engines 3/LC Gas (.020 gap)
Valve spring retainer
Carburetor float bowl kit
Small engine starter pawl (Nylon). *Sold as a set of Two.
Frequently Purchased Together For This Model
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