Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 252Get this manual
CHASSISBRAKESFINAL DRIVE Jackshaft Installation, Cont5If shaft is not centered, tap shaft with soft faced hammer until centeredThis will align the upper chaincase bearing in the chaincase bore6Once correct jackshaft alignment has been achieved, install lock nuts on chaincase mounting bolts and torque to specificationRemove alignment tool from chaincase7Install jackshaft flangette gasket and boltsAlign grease hole (A) in bearing with hole or fitting in flangette (B) to within .100 to ensure greasabilityTorque nuts to specificationDo not lock set screws on retainer ring (if so equipped) until after the unit has been started and track spun for 10 secondsA B