1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 179Get this manual
FINAL DRIVE SYSTEM SERVIC.E Rear Drive Chain Slack Adjustment CAUTION: Never adjust or operate the vehicle with the rear drive chain slack out ofthe 14" to 12" (3 to 3.8 cm) specification as severe damage to the transmission and drive components can resultCheck the amount of chain slack by moving the vehicle slightly forward to gain slack at the top side of the rear chainThen pull up and down on the chainTotal slack should be 14" to 12" (3 to 3.8 cm)If slack is not within specification, it must be adjusted1Loosen chain guard2Loosen two eccentric locking bolts3Insert pin punch through the sprocket hub and into the eccentric axle housing4Roll the vehicle ahead or back to adjust chain slack to the proper dimensionCorrect chain slack adjustment is 14" to 12" (3 to 3.8 cm) total at the midpoint5Tighten the eccentric locking bolts to 60 ftIbs(8.3 kgm)6Reinstall chain guardNOTE: When rear suspension is fully collapsed, rear chain deflection should be 14" (.6 cm)Reposition chain guide to allow 18" (.3 cm) clearance between sprocket and guide1 14"12"