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BSA Flywheel plug
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Details
DiagramFig. 2 — CYLINDER AND CRANKSHAFT · ref 29
Subsystemengine bottom
Listed in parts books1969–1970

BSA Flywheel plug

A flywheel plug that seals an opening in the flywheel assembly.

PN · 40-0043

This is a flywheel plug, part number 40-0043, found in the catalog under the Cylinder and Crankshaft figure. It's a small threaded fitting that seals an opening in the flywheel, keeping oil and pressure where they belong inside the crankcase area.

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