| 摘要 |
An engine (17) for use in a motorcycle (100) includes a crankcase (460), a crankshaft (31), a main shaft (41), a clutch (44), a push rode (461), a clutch release cylinder (465), a drive shaft (42), a transmission (43), a drive sprocket (426), a protector (466), and a sprocket cover (472). The crankshaft, the main shaft and the drive shaft are provided along the widthwise direction of the motorcycle. The main shaft is provided above the drive shaft. The push rod is inserted into the through hole (41G) of the main shaft. The clutch release cylinder is arranged to release the clutch by pushing the push rod and is provided to overhang the drive sprocket and overlap the drive sprocket. The protector is provided between the crankcase and the clutch release cylinder and around the projection portion (461B) of the push rod projecting from the main shaft. The sprocket cover is provided to cover the drive sprocket and the protector. |
