2005 Arctic Cat ATVs factory service and repair manual, Page 413Get this manual

2005 Arctic Cat ATVs factory service and repair manual, Page 413

Cleaningllnspecting Piston Rings 1Take an old piston ring and snap it into two pieces; then grind the end of the old ring
2Using feeler gauge, measure each piston-ring end gapAcceptable ring end gap must be within specifications 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 expander making sure the expander