1971-1973 Arctic Cat Snowmobiles Factory Service Manual, Page 118Get this manual
TRANSMISSIONDRIVE BELT) DRIVE BELT TROUBLE SHOOTING
BELT CONDITION CAUSE
Lubricant on Pulley Surface Abrupt Engagement of Drive Pulley
SOLUTION
Clean pulley surfacesA) B) C) Lubricate drive pulleyReplace damaged drive pulley components (spring)Replace drive pulley if necessaryRepair or replace drive pulleyReduce the engine RPMMove engine to adjust distanceUse correct beltFree the track from any ice, snow, or foreign matterAdjust track tensionClean pulley surfacesClean pulley shaftts)Belt Disintegrates Lugs Torn from BeltNarrow Belt Wear Pattern in One Area
Improper Operation of Drive Pulley Engine Idling Too Fast Incorrect Pulley Distance Wrong Belt (Length) Track Frozen to Skid Frame or Other Components Track Binds Lubricant on Clutch Surfaces Rust on Drive andor Driven Clutch Shafts Damaged or Worn Clutch Surfaces Improper Outward Operation of the Drive Clutch