1985-1986 Honda ATC250R Shop Manual, Page 87Get this manual
ALTERNATOR ROTOR
Install the rotorInstall the washer and nutHold the rotor with universal holderTighten the nut
TORQUE: 65-75 Nm (6.5-7.5 kg-m, 47-54 ft-Ib)
After installing the rotor, inspect the ignition timing (Page 2-9)