ENGINE STARTING SYSTEM

摘要

To make it possible to reduce the size of an engine in the direction alo ng the axis of a crankshaft, in an engine starting system in which a part of a starting power transmission gear train provided between one end portion of the crankshaft rotatably borne on a crankcase and a starter motor mounted to the crankcase is covered from the outside by an accessory coupled to and operated in conjunction with the crankshaft. Of gears constituting a starting power transmission gear train, a plurality of the gears exclusive of the driven gear on the side of one end portion of a crankshaft and the drive gear fixed to an output shaft of a starter motor ar e borne on a crankcase in a cantilever manner.