Polaris 2001 High-Performance Snowmobile Service Manual (PN 9916690), Page 198Get this manual
CLUTCHING Installation, Cont4Slide clutch fully onto crankshaft taper
5Install retaining bolt with any spacers, washers or O-ringsSee appropriate parts manual for type and placement of retaining bolt components
6Torque retaining bolt to specificationsHold clutch with strap wrench