2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 243Get this manual
CLUTCHING 6Inspect ramp buttons in the moveable sheave and replace if worn8Inspect the TeflonTM coating on the moveable sheave bushing
Inspect bushing for wear
NOTE: The ramp buttons are secured by TorxTM screws (T20)Use heat to loosen screw locking agent prior to removal7Remove moveable sheave and note the number of spacer washersOne spacer must remain between the sheaves when adjusting belt deflectionBelt deflection adjustment washers