| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable a rear frame to be satisfactorily fixed, in the rear frame structure of a motorcycle.SOLUTION: A rear frame structure of a motorcycle comprises: a front frame 13; a rear frame 14 that is made of a resin, supported by the front frame 13 via a front fastening part, has a box-shaped space 88 in the rear, and supports a seat 12 above the box-shaped space 88; and an engine 50 that comprises a crank case 52 having an output shaft 59 and a cylinder part 50a projecting upward from the crank case 52 and that is supported by front frame 13. In the rear frame structure of the motorcycle, the fastening part is formed of a pair of upper and lower parts, an upper fastening part 110 is fitted to a main frame 16 in a front side of the output shaft 59 and a lower fastening part 111 is fitted to a pivot frame 17 in a rear side of the output shaft 59, and the rear frame 14 comprises a front side wall 82 that connects the upper fastening part 110 to the lower fastening part 111 along the front frame 13.</p> |
