Patent ID: 7690466

Claim:
A motorcycle comprising: an engine unit having an output shaft; a drive wheel; a power transmission mechanism that transmits motive power to the drive wheel from the output shaft; and a body frame having a down frame extending vertically, wherein the engine unit comprises: a four-stroke engine including a cylinder body that forms a cylinder arranged rearwardly of the down frame with an axis thereof extending vertically, and a crank shaft arranged below the cylinder; a continuously variable transmission including a primary sheave provided on the crank shaft, a secondary sheave shaft arranged rearwardly of the crank shaft to be connected to the output shaft, a secondary sheave provided on the secondary sheave shaft, and an endless belt wound round the primary sheave and the secondary sheave; a clutch provided between the secondary sheave shaft and the output shaft; and an engine case that supports the crank shaft, the secondary sheave shaft, and the output shaft and in which an oil reservoir portion is formed below the crank shaft to store a lubricating oil, wherein a rear end portion of the oil reservoir portion is rearward of a front end of the secondary sheave, and an axis of the crank shaft is below an axis of the secondary sheave shaft.