2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 70Get this manual

2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 70

NOTE: If the existing rings will not be replaced with new ones, note the location of each ring for proper installationWhen
End Gap (Installed) 1Place each piston ring in the wear portion of the cylinderUse the piston to position each ring squarely
in the cylinder2Using feeler gauge, measure each piston-ring end gapAcceptable ring end gap must be within specificationsATV-1069
Measuring Piston Skirt Cylinder Clearance 1Measure the cylinder front to back in six places Measuring Piston Pin (Outside
Diameter) and Piston-Pin Bore 1Measure the piston pin outside diameter at each end and in the centerIf measurement is not
within specifications, the piston pin must be replaced 2Measure the corresponding piston diameter at point 15 mm (0.6 in
above the piston skirt at right angle to the piston-pin boreSubtract this measurement from the measurement in step 1The difference