Counterbalanced crank-shaft — Harley-Davidson patent US1263407A (1918)
PatentUS1263407A
TypeUtility patent
Filed1917-09-22
Granted1918-04-23
InventorWilliam S Harley
SystemEngine
“W. S. HARLEY. COUNTERBALANCED CRANK SHAFT. APPLICATION FILED SEPT.22.' I911- ]Patented Apr. 23, 1918. S'SHEETS-SHEET 1- mnuum i W. S. HARLEY. COUNTERBALANCED CRANK SHAFT. APPLICATION FILED szvpzz. m1. ' menm Apr. 23, mm. 3 SHEETS-SHEET 2-. 5 ,r minimum minimal. A m, 23, mm. 3 SHEETS-SHEET 3. m '…”
Drawings (3 sheets)



Parts for this system
32-0064
Magneto to Crankcase Oil Seal Ring and Gasket Kit
$6.3514-0555
Rear Caliper Piston O-Ring
$10.6415-1380
Rear Master Cylinder Gasket Kit
$10.6423-0825
Handlebar Master Cylinder Piston Cup
$10.64Check 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.