Motorcycle frame, has reinforcement plates whose front edges and front ends of crossbars are welded with head tube over continuous welding seam, where seam extends over partial circumference of front ends of crossbars

摘要

The frame (1) has a head tube (2) for connecting a front wheel fork and/or a wheel carrier, and four crossbars, whose front ends are welded with the tube. Gusset and/or reinforcement plates (7) with front edges are provided, where the edges and the front ends of the crossbars are welded with the head tube over a continuous welding seam (11). The welding seam over entire length of the front edge of the plates extends over a partial circumference of the front ends of the crossbars.