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Self Tapping Screw

Screw-hh

Washer

Bolt

Nut-push

Nut-push

Screw

Screw

Ring-retaining

Screw-cap socket head 5/16-18, .625

Hex Bolt, 5/16-24 x .75" Lg.

Nut, flange (8mm)

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.

Flywheel Key

Sealing Washer
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