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Motorcycle drive assembly with improved transmission-to-engine mounting — Harley-Davidson patent US6085855A (2000)

PatentUS6085855A
TypeUtility patent
Filed1998-07-24
Granted2000-07-11
InventorJohn W. Schanz
SystemTransmission & clutch

“A drive assembly for a motorcycle including an engine having an output shaft and a transmission having an input shaft parallel to the output shaft and coupled to the output shaft. The engine includes a crankcase having a first interface portion with a first non-horizontal mounting surface. The…”

Full patent textDownload PDFShop transmission & clutch parts

Drawings (6 sheets)

Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 1Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 2Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 3Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 4Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 5Motorcycle drive assembly with improved transmission-to-engine mounting — sheet 6

Parts for this system

12-6924
Clutch Release Cover Retaining Ring
$4.86
12-1317
OE Transmission Retaining Ring for Dog Ring
$5.18
14-6909
Ultima Clutch Pulley Cover Oil Seal
$5.40
12-1318
OE Transmission Countershaft End Nut
$6.00

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

More transmission & clutch schematics

Front surface of a motorcycle cam gear cover — patent drawing
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Front surface of a motorcycle cam gear cover
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Clutch release cover — patent drawing
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Clutch release cover
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Motorcycle transmission shifter mechanism — patent drawing
US6308797B1
Motorcycle transmission shifter mechanism
2001 · Transmission & clutch
Engine and transmission case assembly — patent drawing
US7096846B1
Engine and transmission case assembly
2006 · Transmission & clutch

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.