| 摘要 |
<p>A scooter-type motorcycle (10) includes: a vehicle body to which a vehicle body frame (11) is mounted; an engine unit (20) supported to be swingable in a vertical direction of the vehicle with respect to the vehicle body frame (11), the engine unit (20) integrally including an engine (23) and a transmission (24), the engine (23) being provided with a crankcase (31) and a cylinder assembly (32) extending forward of the vehicle from the crankcase (31); a fuel tank (29) mounted to the vehicle body frame (11) above the engine unit (20) in the vehicle body; a fuel evaporation gas discharge suppression device (55) that suppresses discharge of a fuel evaporation gas generated in the fuel tank (29); and an intake system (41) and an exhaust system (42) connected to a cylinder head (35) of the cylinder assembly (32), the intake system (41) and the exhaust system (42) extending rearward of the vehicle on an opposite side in a vehicle width direction with the cylinder assembly (32) being provided therebetween. The transmission (24) has a casing (33) extending rearward of the vehicle body from the same side as the intake system (41) on one end side of the crankcase (31) in the vehicle width direction. The fuel evaporation gas discharge suppression device (55) includes a canister (56) that temporarily adsorbs the fuel evaporation gas and emits the gas to the intake system (41). The canister (56) is disposed in a space formed on one side that is a side of the intake system (41) in the cylinder assembly (32) and at a front of the transmission casing (33) in the vehicle.
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