Patent ID: 6895915
Filing Date: 2005-05-24
Classification: F02N,Y10T

Abstract:
1. In a belt or chain-driven motorcycle having a V-Twin engine with an extended crankshaft and having a battery and a cranking motor powered by the battery for rotating the crankshaft to start the engine; a direct drive cranking system comprising: a ring gear affixed to said crankshaft for rotating said crankshaft; a sprag freewheel clutch mounted to said crankshaft in an overrunning operating configuration; a cranking motor support arm having first and second support bearings located along parallel axes, one of said axes being co-axial with said crankshaft, said first support bearing receiving a free end of said crankshaft in rotational engagement; and a cranking motor having a driven pinion gear for engaging said ring gear with a selected gear ratio, said pinion gear being received in said second support bearing along the other of said parallel axes.