Motorcycle cam drive tensioner — Harley-Davidson patent US6112712A (2000)
PatentUS6112712A
TypeUtility patent
Filed1998-07-24
Granted2000-09-05
InventorDavid A. Safarik
SystemPrimary & final drive
“A motorcycle engine comprising an engine housing, a crankshaft mounted for rotation within the housing, a camshaft mounted for rotation within the housing, a flexible element (e.g., a chain) coupling the camshaft to the crankshaft, and a tensioner mounted adjacent the flexible element. The…”
Drawings (3 sheets)



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Ultima Clutch Pulley Cover Oil Seal
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Drawing from the US patent record (via Google Patents). A patent shows the invention as filed, not necessarily the production part on your motorcycle — confirm fitment for your model and year. Independent aftermarket retailer, not affiliated with Harley-Davidson, Inc.