Honda air cleaner (or air filter). If the air filter is clogged or dirty, the engine may not start or may run rough.
Honda lawn mower snap retaining ring.
Lawn mower ratchet key. The ratchet key engages the drive shaft to the drive gear to turn the wheel. A small spring keeps tention on the key. If the key is not engaging the gear it may be worn and will need to be replaced. It is a good idea to also check the spring and replace it if necessary.
Lawn mower ratchet return spring. Helps allow drive wheel to move backwards when forward drive is not engaged
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.
Lawn mower air cleaner cover. If this cover is cracked, or if one of its holding tabs is broken, replace it.
Carburetor gasket. If this gasket is torn or damaged, the engine may run rough. Be sure to clean the surfaces around the carburetor gasket before installing it.
Collar, pinion gear
Small engine governor spring. If the engine does not maintain a consistent speed, then the governor spring may be stretched out or damaged.
Honda recoil starter assembly. 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.
Small engine carburetor gasket. If the gasket is torn or damaged the engine may run rough.
Honda Carburetor (BB62W B). 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.
Honda insulator gasket.