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Crankshaft assembly with coated crank pin — Harley-Davidson patent US7418939B2 (2008)

PatentUS7418939B2
TypeUtility patent
Filed2007-07-13
Granted2008-09-02
InventorBernard F. Enright
SystemEngine

“The invention provides a motorcycle having a frame, an engine coupled to the frame, and a crankshaft assembly. The crankshaft assembly includes a first flywheel half having an aperture, a crank pin including a first end portion, a second end portion opposite the first end portion, and a bearing…”

Full patent textDownload PDFShop engine parts

Drawings (4 sheets)

Crankshaft assembly with coated crank pin — sheet 1Crankshaft assembly with coated crank pin — sheet 2Crankshaft assembly with coated crank pin — sheet 3Crankshaft assembly with coated crank pin — sheet 4

Parts for this system

32-0064
Magneto to Crankcase Oil Seal Ring and Gasket Kit
$6.35
14-0555
Rear Caliper Piston O-Ring
$10.64
15-1380
Rear Master Cylinder Gasket Kit
$10.64
23-0825
Handlebar Master Cylinder Piston Cup
$10.64

Check fitment first — add your bike and we flag what fits.

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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.