1981-1984 Official Honda ATC250R Shop Manual, Page 131Get this manual
ATe 250R
BRAKE MECHANISM (FRONT DISC BRAKE)
1-2 N-m (0.1-0.2 kg-m,
30-40 N-m (3.0-4.0 kgm, 22-29 ft-Ib)
30-40 N-m (3.0-4.0 kgm, 22-29 ft-Ib)
15-20 N-m (1.5-2.0 kg-m,11-14ft-lb)
4-7 N-m (0.4-0.7 kg-m, 3-5 ft-Ib)