2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 133Get this manual

2007 Arctic Cat ATVs 400/500/650/700 Service Manual, Page 133

NOTE: If the paint is not visible, install the ends of the springs with the closest wound coils toward the head 4Inspect
pin are out of tolerance, they must be replaced 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 CleaningInspecting Piston ! CAUTION Improper cleaning of the ring-grooves by
the use of the wrong type of ring-groove cleaner will result in severe damage to the piston 1Using non-metallic carbon 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 Measuring Piston-Ring End Gap