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Motorcycle balancer system — Harley-Davidson patent US6302077B1 (2001)

PatentUS6302077B1
TypeUtility patent
Filed1999-07-30
Granted2001-10-16
InventorDavid A. Safarik
SystemFrame & chassis

“A motorcycle engine includes a crankshaft rotating in response to the reciprocation of pistons in cylinder bores. The inertial effects of the reciprocating pistons cause vibrations in the engine. A pair of balancer shafts are provided on opposite sides of the crankshaft, and are driven by the…”

Full patent textDownload PDFShop frame & chassis parts

Drawings (8 sheets)

Motorcycle balancer system — sheet 1Motorcycle balancer system — sheet 2Motorcycle balancer system — sheet 3Motorcycle balancer system — sheet 4Motorcycle balancer system — sheet 5Motorcycle balancer system — sheet 6Motorcycle balancer system — sheet 7Motorcycle balancer system — sheet 8

Parts for this system

28-0158
Oil Tank Frame Cover Rubber Grommet
$10.64
37-9264
Chrome Oil Line to Frame Clamp
$10.64
51-5549
Frame Insert Raw Maltese Design
$10.64
51-0858
Frame Tank Dowel Rear
$10.67

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.