1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 188Get this manual
CHAPTER FIVE
in the cylinder, in line with the piston pin and at 90 to the pin as shown in Figure 694Piston clearance is the difference between the maximum piston diameter and the minimum cylinder diameterNOTE Arctco does not list specifications for the piston outside diameter or the cylinder bore inside diameterWear is monitored by checking the piston-to-cylinder clearanceWhen the clearance is excessive, measure the clearance again using new pistonIf the clearance is still excessive with new piston, the cylinder bore is wornBecause the cylinder bores are hard-chrome plated, resizing is not possibleIf the cylinder bore is excessively worn, the cylinder must either be replaced or machined to accept cast iron linerInstallation of liner should be peiformed only by qualified machinist familiar with these service products and the required tools