2003 Arctic Cat ATVs from 250cc to 500cc Service Manual, Page 226Get this manual
CRANKSHAFT ASSEMBLY Measuring Connecting Rod (Small End Inside Diameter)
3Acceptable gap range is 0.1-1.0 mm (0.004-0.039 inMeasuring Connecting Rod (Big End Width)
1Using calipers, measure the width of the
1Insert snap gauge into the upper connecting rod small end bore; then remove the gauge and measure it with micrometer
connecting rod at the big-end bearing2Acceptable width range is 21.95-22.00 mm (0.8642-0.8661 inMeasuring Crankshaft (Runout)
1Place the crankshaft on set of blocks2Mount dial indicator and base on the surface platePosition the indicator contact at point of the crankshaft
2Maximum diameter is 20.04 mm (0.7889 inMeasuring Connecting Rod (Small End Deflection)
1Place the crankshaft on set of V-blocks and mount dial indicator and base on the surface platePosition the indicator contact point against the center of the connecting rod small end journal2Zero the indicator and push the small end of the connecting rod away from the dial indicator3Maximum deflection is mm (0.12 inMeasuring Connecting Rod (Big End Side-to-Side)