| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame structure wherein sufficient strength can be ensured even when lightening of weight is attained by thinning a thickness of a frame for facilitating its assembly. SOLUTION: In a frame structure A for a motorcycle relating to a motorcycle 1 of structure, between a pair of tank rail frames 51 extended rearward of a vehicle in a fork shape from a head pipe 3, at least partly of an air cleaner 7 and a carburetor 9 are lapped as viewed from a side surface of the tank rail frame 51. Of the air cleaner 7, at least a part 15l1 lapped with the tank rail frame 51 and a part 15b1 of the air cleaner 7 connecting the fellow concerned part 15l1 are formed by a strength member, so as to screw a part 51 of the tank rail frame corresponding to the lapped part 15l1 of the air cleaner 7. |
