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Tecumseh 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

Screw

Genuine Briggs & Stratton 691005 flange screw. (21/32" Long)

Bolt, hex.

Clamp-hose

Screw-taptite

Bolt, hex.

Screw-handle

Nut-flange ni

Flywheel key pack of three

Ring-retaining

Carriage bolt, 5/16 inch

Blade retaining bolt

Bolt, 5/16 -18 x .75
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