| 摘要 |
PROBLEM TO BE SOLVED: To provide a motorcycle which can reduce the size and the weight of a body frame, and facilitates the trick cycling or the like. SOLUTION: A pair of right and left main frames 12 extending downwardly to the rear from a head pipe 11 are provided. Rear end parts of the main frames 12 are connected to a crank case cover 10. A stay 13 for supporting a seat 66 extending upward of a crank case 8 with a lower end part thereof supported by the crank case 8 and a front end part thereof supported by front end parts of the main frames 12 is provided. A motorcycle body frame 6 comprises the main frames 12, the crank case cover 10, and the stay 13 for supporting the seat 66.
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