2007 Arctic Cat 700 Diesel ATV Service Manual, Page 88Get this manual
NOTE: If the piston pin bushing is replaced, the lubrication hole must be aligned and the bushing sizedIt is recommended that only qualified machine shop replace bushings 21Examine the connecting rods for nicks, gouges, discoloration, and stress lines
25Using suitable outside micrometer, measure piston skirt diameter at distance of mm (0.350 in from the bottom of the skirt and 90 from the piston pin axisPistons and cylinder measurements must be within specifications as listed in the following chartClass markings are stamped on the cylinder deckDE623
22Examine the piston pin bushing for galling or discolorationIf either condition exists, replace the bushing or connecting rod
23Measure the piston pins making sure to keep them with their respective pistonconnecting rodThe piston pins must measure within specifications