2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 168Get this manual

2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 168

Measuring Piston Pin (Outside Diameter) and Piston-Pin Bore 1Measure the piston pin outside diameter at each end and in the
into the piston-pin boreThe diameter must not exceed specificationsTake two measurements to ensure accuracyATV-1085B NOTE:
Note the direction of the exhaust side of the piston (5) for correct ring end gap orientation 2On the 500, install 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)ATV-1069 NOTE: The chrome (silver) ring should be
installed in the top position Measuring Piston Skirt Cylinder Clearance 1Measure the cylinder front to back in six places
726-306A 3On the H1 models, the ring with the orientation mark (MTOP or TOP) should be installed in the second (middle) groove