2005 Arctic Cat ATVs factory service and repair manual, Page 284Get this manual

2005 Arctic Cat ATVs factory service and repair manual, Page 284

Cleaningllnspecting Piston Rings 1Take an old piston ring and snap it into two pieces; then grind the end of the old ring
piston-ring end gapAcceptable ring end gap must be within specifications Measuring Piston Skirt1 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 (clearance) must be within specificationsInstalling
Piston Rings 1Install ring expander (4) in the bottom groove of the piston; then install the thin oil rings (3) over the