2001 Arctic Cat ATVs factory service and repair manual, Page 216Get this manual

2001 Arctic Cat ATVs factory service and repair manual, Page 216

2Using feeler gauge, measure each piston-ring end gapAcceptable ring end gap must be maximum 0.70 mm (0.028 in 1st ring and
front to back in six placesFig3-800 Measuring Piston Pin (Outside Diameter) and Piston-Pin Bore 1Measure the piston pin outside
diameter at each end and in the centerIf measurement is less than 16.980 mm (0.6685 in for the 250300 cc, 20.98 mm (0.826
in for the 400 cc, and 22.98 mm (0.905 in for the 500 cc, the piston pin must be replacedFig3-798 2Measure the corresponding
piston diameter at point 18 mm (0.71 in for the 250300 cc and 15 mm (0.60 in for the 400500 cc above the piston skirt at
right angle to the piston-pin boreSubtract this measurement from the measurement in step 1The difference (clearance) must