Patent ID: 7628131
Filing Date: 2009-12-08
Classification: F02N,Y10T

Abstract:
1. An for a vehicle, said engine comprising: a crankshaft; a starter gear mounted on the crankshaft; a crankcase for housing the crankshaft, said crankcase comprising two crankcase members; and a starting system having: wherein one of the crankcase members has a too wall and a first motor mounting portion protruded upward from said top wall thereof, and has a motor mounting hole for fitting therein one end of the starting motor, wherein the other one of the crankcase members has a too wall and a second motor mounting portion configured to fasten another end of the starting motor on said top wall thereof by a bolt or bolts; and wherein the other one of the crankcase members has a clutch chamber wall that constitutes a part of a peripheral wall of a clutch chamber for housing a clutch that connects and disconnects rotating power transmitted from the engine to the vehicle, the clutch chamber wall being formed so as to protrude upward from said top wall of the other one of the crankcase members; wherein the first motor mounting portion constitutes a part of the peripheral wall of a starting gear chamber for housing the starting gear train, and wherein the starting motor is arranged between the first motor mounting portion and the clutch chamber wall in the crankshaft axial direction.