Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 231Get this manual
CHASSISBRAKESFINAL DRIVE Brake BleedingSystem Rebuild Brake BleedingFluid Change, Cont13Field test machine before putting into serviceCheck for proper braking action and lever reserveWith lever firmly applied, lever reserve should be no less than 12 (1.3 cm) from handlebarBrake Lever Reserve Limit Not less than 12 (1.3 cm) from handlebar