1981-1984 Official Honda ATC250R Shop Manual, Page 132Get this manual

1981-1984 Official Honda ATC250R Shop Manual, Page 132

Quality of the image is intentionally reduced!

11 BRAKE MECHANISM(FRONT DISC BRAKE)
SPECIFICATIONS

ITEM Disc thickness Disc runout Master cylinder I.DMaster piston ODCaliper cylinder IDSTANDARD MM (in) 3.8-4.2 0-0.15 12.700-12.7