Patent ID: 7739992
Filing Date: 2010-06-22
Classification: F02N

Abstract:
1. A starting system for a small-sized engine comprising a recoil starting system and a motor starting system integrated in a starter case, wherein the motor starting system has a configuration in which a pinion is mounted on an output shaft of a reducer motor by an one-way clutch of a needle bearing and the pinion is engaged with a starting gear of an engine, and the starter case has a configuration in which an inner lid is secured to a crankcase of the engine together by a screw and the inner lid has a joint portion with respect to the crankcase and a mounting seat for the reducer motor on the outside thereof, and wherein the one-way clutch of the needle bearing includes a detent projection or recess on an outer periphery thereof, and a receiving hole of the one-way clutch provided on the pinion includes on an inner periphery thereof a recess or a projection which engages the projection or the recess.