| 摘要 |
<p>A motorcycle includes a pivot shaft (109) supported by a body frame (10), and an engine unit (20) which swings upward and downward with a rear wheel (3) with the fulcrum located at the pivot shaft (109). A crank shaft (34) is disposed before the engine unit (20). The engine unit (20) has supported members (22) disposed before the crank shaft (34) and attached to the pivot shaft (109). The rear part of the engine unit (20) supports an axle (4) of the rear wheel (3).</p> |
