| 摘要 |
PROBLEM TO BE SOLVED: To lower the height of a seat and to expand a capacity of a luggage space.SOLUTION: A unit swing type engine unit (1) includes: an internal combustion engine (2) equipped with a crank case (21) and a cylinder; and an oil tank (213L) which stores oil for lubricating members in the crank case and the cylinder. The oil tank is disposed on the outside of a crank chamber (93) in the crank case, and in the engine unit, a center (C1) of a crank shaft (90) is disposed on a lower side than a center C2 of a rear wheel shaft (40).SELECTED DRAWING: Figure 1 |
