Chain drive for saddle-ride type vehicle

摘要

A chain drive is provided with an engine hanger bolt. The engine hanger bolt is located in a direction rearwardly in a vehicle-body longitudinal direction and upwardly of a drive sprocket and extends in a vehicle width direction to fix an engine block to a body frame. A guide tube is mounted coaxially with the engine hanger bolt and restricts upward displacement of a drive chain.

主权项

1. A chain drive for a saddle-ride type vehicle comprising:
a drive sprocket that is mounted to an output shaft of an engine block; a swing arm that has front and rear portions, the front portion of the swing arm being swingably supported by a body frame in the vicinity of the drive sprocket, and the rear portion of the swing arm journaling a rear wheel; a driven sprocket that is mounted to an axle of the rear wheel; a drive chain that extends between the drive sprocket and the driven sprocket; an engine hanger bolt that is located in a direction rearwardly in a vehicle-body longitudinal direction and upwardly of the drive sprocket and extends in a vehicle width direction across the drive sprocket, the engine hanger bolt fixing the engine block to the body frame; and a cylindrical guide tube that is mounted coaxially with the engine hanger bolt, the guide tube restricting displacement of the drive chain toward on-vehicle equipment located above the drive chain.