| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vehicle body frame of a motorcycle capable of facilitating connection working of separated structures and having good appearance after connection. <P>SOLUTION: The vehicle body frame 10 of a motorcycle includes: a head pipe 11; a pair of right and left tank rail parts 41 including a widening part 45 having a width increasing in a vehicle width direction extending rearward of the vehicle from the head pipe 11 in plan view of the vehicle, a parallel part 46 having a substantially fixed width, and a narrowing part 47 having a width decreasing in the vehicle width direction, wherein the widening part, the parallel part and the narrowing part are provided in order; and a pair of right and left rear arm bracket parts 42 bending and extending from rear ends of the tank rail parts 41. The vehicle body frame 10 has a front frame 10a and a rear frame 10b connected through a frame connecting surface 61 substantially perpendicular to an axial direction of the parallel part 46. <P>COPYRIGHT: (C)2012,JPO&INPIT |
