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 Spark Plug (RJ19LM). If the engine does not start or runs poorly then the spark plug may be defective and will need replacement.
Champion spark plug (RCJ6Y). 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 primer bulb. The primer bulb draws additional fuel into the carburetor to help start the engine.
Small engine NGK spark plug (BPR6ES). If the engine does not start, the spark plug may be defective. The spark plug should be replaced periodically during regular maintenance.
Air filter. If the air filter is clogged or dirty, the engine may not start or may run rough.
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.
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.
Self-tapping screw. 5/16-18 hex head.
Briggs & Stratton fuel tank cap.
MTD flange lock nut, 5/16-18.
Briggs & Stratton breather tube grommet.
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.
Genuine Briggs & Stratton 495606 Carburetor Rebuild Kit. If the engine is running poorly then the carburetor may be restricted and need to be cleaned and some of the internal seals and diaphragm replaced.
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.