1985-1986 Honda ATC250R Shop Manual, Page 211Get this manual
HYDRAULIC DISC BRAKES BOOT Remove the boot and park ing brake shaft from the parking brake basePARKING BRAKE SHAFT
PARKING BRAKE BASE
Check the boot for deterioration or damageCheck the parking brake shaft and base threads for wear or damage
Apply grease to the parking brake shaft, position the shaft so that the punch mark is within the index marks on the parking brake base and thread the shaft into the parking brake baseNOTE Parking brake shaft has left hand threadsScrew the parking brake shaft in fully, back it about 18 turn and make sure that the punch mark on the shaft is within the index marks on the baseInstall the boot over the shaft and base, making sure that the boot is seated in the groove in the shaft and base properly