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 carburetor assembly. If the engine runs rough then the carburetor is likely restricted and will need to be cleaned, rebuilt, or replaced.
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 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.
If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.
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.
Carburetor - Autochoke system
Briggs & Stratton Spark Plug (QJ19LM)
Recoil starter housing
50 pack of Flywheel Key 222698S. This key aligns the flywheel with the crankshaft for most Briggs & Stratton engines.