2008 Arctic Cat 366 ATV Service Manual, Page 43Get this manual

2008 Arctic Cat 366 ATV Service Manual, Page 43

PISTON ASSEMBLY NOTE: Whenever piston, rings, or pin are out of tolerance, they must be replaced Measuring Piston-Ring End
Diameter) and Piston-Pin Bore 1Measure the piston pin outside diameter at each end and in the centerIf measurement exceeds
specifications, the piston pin must be replaced 2Remove each ring by working it toward the top of the piston while rotating
it out of the grooveNOTE: If the existing rings will not be replaced with new ones, note the location of each ring for proper
installationWhen installing new rings, install as complete set only ATV-1070 CleaningInspecting Piston Rings 1Take an old
piston ring and snap it into two pieces; then grind the end of the old ring to 45 angle and to sharp edge2Using the sharpened
ring as tool, clean carbon from the ring groovesBe sure to position the ring with its tapered side up 2Insert an inside dial
indicator into the piston-pin boreTake two measurements to ensure accuracyThe diameter must not exceed specificationsIf the