2001 Arctic Cat ATVs factory service and repair manual, Page 416Get this manual
Problem: Engine noisy (Noise seems to come from piston) Condition 1Piston cylinder worn 2Combustion chamber carbon buildup 3Piston pin piston pin bore worn 4Piston rings ring groove(s) worn Condition 1Chain stretched 2Sprockets worn 3Tension adjuster malfunctioning Condition 1Crankshaft splines bearings worn 2Countershaft hub splines worn 3Clutch plate teeth worn 4Driven drive clutch plates distorted broken 5Clutch dampers weak Condition 1Bearing worn burned 2Lower rod-end bearing worn burned 3Connecting rod side clearance too large Condition 1Gears worn rubbing 2Splines worn 3Primary gears worn rubbing 4Bearings worn 5Bushing worn Condition 1Gears shaft(s) worn 2Bearing(s)bushing(s) damaged Condition 1Drive driven bevel gears damaged worn 2Backlash excessive 3Tooth contact improper 4Bearing damaged 5Gears worn rubbing 6Splines worn 7Final driven shaft thrust clearance too large Remedy 1Replace service piston cylinder 2Clean chamber 3Replace service pin bore 4Replace rings piston Remedy 1Replace chain 2Replace sprockets 3Repair replace adjuster Remedy 1Replace crankshaft bearings 2Replace countershaft hub 3Replace clutch plate(s) 4Replace clutch plate(s) 5Replace dampers Remedy 1Replace bearing 2Replace bearing 3Replace thrust washer(s) Remedy 1Replace gears 2Replace shaft(s) 3Replace gears 4Replace bearings 5Replace bushing Remedy 1Replace gears shafts 2Replace bearing(s)bushing(s) Remedy 1Replace gears 2Adjust backlash 3Adjust contact 4Replace bearing 5Replace gears 6Replace shaft(s) 7Replace thrust washer(s) 11-3