2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 246Get this manual

2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 246

2Acceptable outside diameter range must be within specificationsInstalling Valves 1Apply grease to the inside surface of
removal tool, remove any carbon buildup from the dome of the piston2Inspect the piston for cracks in the piston pin, dome,
and skirt areas3Inspect the piston for seizure marks or scuffingRepair with #400 grit wet-or-dry sandpaper and water or honing
oilNOTE: If scuffing or seizure marks are too deep to correct with the sandpaper, replace the piston 4Inspect the perimeter
of each piston for signs of excessive "blowby Excessive "blowby" indicates worn piston rings or an out-of-round cylinderRemoving
Piston Rings 1Starting with the top ring, slide one end of the ring out of the ring-grooveATV-1011A 4Place spring retainer