2007 Arctic Cat DVX/Utility 250 ATV Service Manual, Page 53Get this manual

2007 Arctic Cat DVX/Utility 250 ATV Service Manual, Page 53

Measuring Piston Skirt Cylinder Clearance 1Measure the cylinder front to back in six places 726-306A ! CAUTION Incorrect
can be noted by bright metallic finishCorrect any high spots before assembly by continuing to move the cylinder in figure
eight motion until uniform bright metallic finish is attained 1Install ring expander (4) in the bottom groove of the piston;
then install the thin oil rings (3) over the expander making sure the expander ends do not overlapStagger the end gaps of
the upper and lower thin oil rings according to the illustrationNOTE: Note the direction of the exhaust side of the piston
(5) for correct ring end gap orientation ! 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 Inspecting Cam Chain Guide 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 according to the illustration 1Inspect cam chain guide for cuts, tears, breaks,