2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 236Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 236

CLUTCHING 2Inspect the weight pivot bore and pivot bolts for wear or gallingIf weights or bolts are worn or broken, replace
in this manualBecause of the critical nature and precision balance incorporated into the PVT system, it is absolutely essential
that no attempt at disassembly or repair be made without factory authorized special tools and service procedures 3Inspect
surface of shaft for pitting, grooves, or damageMeasure the outside diameter and compare to specificationsReplace the drive
clutch assembly if shaft is worn or damaged Drive Clutch Inspection NOTE: Remove cover, spring, and spider following instructions
for drive clutch removal, then proceed as follows: 1Remove moveable sheave spacer sleeve (1) and the thrust washer (2)Visually
inspect the washer for damageMeasure the thickness and compare to specificationReplace if worn or damaged1 2 = In mmShaft