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Internal combustion engine for vehicles in particular, for motorcycles — Harley-Davidson patent US4532897A (1985)

PatentUS4532897A
TypeUtility patent
Filed1984-06-11
Granted1985-08-06
InventorHans Mezger
SystemEngine

“The crankshaft of an internal combustion engine for vehicles, especially motorcycles, is mounted between upper and lower parts of a crankcase. The crank webs of the shaft rotate partially in the lower part which is in the form of an oil space. An oil sump is also provided in the lower part at a…”

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Drawings (1 sheet)

Internal combustion engine for vehicles in particular, for motorcycles — sheet 1

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.