Shop replacement repair parts for Lawn Boy Lawn Mower model 8156

Lawn mower flywheel key (woodruff 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.

Filter Cover Retainer

Ret ring

Screw

Screw-hh

Washer m

Ring-retaining

Spring


Washer

Nut

Washer

Washer-thrust

Washer-spring
