2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 263Get this manual

2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 263

2Measure the corresponding piston diameter at point 15 mm (0.6 in above the piston skirt at right angle to the piston-pin
or the sealing surface2Inspect the spark plug hole for any damaged threadsRepair damaged threads using "heli-coil" insert3Place
the cylinder head on the surface plate covered with #400 grit wet-or-dry sandpaperUsing light pressure, move the cylinder
head in figure eight motionInspect the sealing surface for any indication of high spotsA high spot can be noted by bright
metallic finishCorrect any high spots before assembly by continuing to move the cylinder head in figure eight motion until
uniform bright metallic finish is attained ATV-1085B 2Install 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 gaps are on directly opposite sides of the piston
(see illustration)NOTE: The chrome (silver) ring should be installed in the top position ! CAUTION Water or parts-cleaning
solvent must be used in conjunction with the wet-or-dry sandpaper or damage to the sealing surface may result 726-306A Measuring