| 摘要 |
A vehicle body frame has a head pipe, a main frame, a down frame, and a lower frame. The main frame extends downward to the rear from the head pipe. The down frame extends downward to the rear from the head pipe in a position below the main frame. The lower frame connects an end of the down frame to an end of the main frame. An engine of the vehicle has a crankshaft, a crankcase, and a cylinder member. The crankshaft is housed in the crankcase. The cylinder member is attached to the crankcase. A cylinder is formed inside the cylinder member. An axis of the cylinder extends upward obliquely to the rear.
|
