NGK 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.
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.
Small engine recoil starter assembly. This item includes the pulley and spring. The recoil starter engages the drive cup on the flywheel to start the engine when pulled.
Lock nut with nylon insert.
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.
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.
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.
Extension spring, .380 x 2.500
Briggs & Stratton starter gear (also called a pinion gear), 16-tooth, plastic. The starter gear engages the flyhweel to start the engine. If the teeth on the starter gear are worn out, the engine may not start.
Lamp-12 volt - miniature
Carburetor float bowl. If the carburetor is leaking, one of the float bowl gaskets may be worn out.
Screw, 1/4-20 x .5