2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 116Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 116

NOTE: If the paint is not visible, install the ends of the springs with the closest wound coils toward the head CC400D 2Remove
by the use of the wrong type of ring groove cleaner will result in severe damage to the piston PISTON ASSEMBLY NOTE: Whenever
piston, rings, or pin are out of tolerance, they must be replaced Measuring Piston-Ring 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 not exceed specifications CleaningInspecting Piston 1Using non-metallic
carbon removal tool, remove any carbon buildup from the top of the piston2Inspect the piston for cracks in the piston pin,
boss, top, and skirt areas3Inspect the piston for seizure marks or scuffingIf piston is scored or galled, replace it with
new one4Inspect the perimeter of each piston for signs of "blowby" indicated by dark discoloration"Blowby" is caused by worn