2007 Arctic Cat ATVs factory service and repair manual, Page 189Get this manual

2007 Arctic Cat ATVs factory service and repair manual, Page 189

2Measure the corresponding piston diameter at point 15 mm (0.6 in above the piston skirt at right angle to the piston-pin
ATV-1085E NOTE: Note the direction of the exhaust side of the piston (5) for correct ring end gap orientation rn NOTE: If
the cylinderlcylinder head assembly cannot be trued, they must be replacedCleaningllnspecting Cylinder Head 2On the 500,
instal1 the compression rings (1 and 2) so the letter on the top surface of each ring faces the dome of the pistonRotate
the rings until the ring end aps are on directly opposite sides of the piston ?see illustration)rn NOTE: The chrome (silver)
ring should be installed in the top position A CAUTION The cylinder head studs must be removed for this procedure 1Using
non-metallic carbon removal tool, remove any carbon buildup from the combustion chamber being careful not to nick, scrape,
or damage the combustion chamber or the sealing surface2Inspect the spark plug hole for any damaged threadsRepair damaged