2008 Arctic Cat ATVs factory service and repair manual, Page 257Get this manual
Incorrect (contact at tooth root)
Correct
2Maximum diameter must not exceed specificationsMeasuring Connecting Rod (Small End Deflection) 1Place the crankshaft on set of blocks and mount dial indicator and base on the surface platePosition the indicator contact point against the center of the connecting rod small end journal
2Zero the indicator and push the small end of the connecting rod away from the dial indicatorCorrecting Tooth Contact
INOTE: If tooth contact pattern is comparable to the correct pattern illustration, no correction is necessary
3Maximum deflection must not exceed specifications
Measuring Connecting Rod (Big End Side-to-Side) 1Push the lower end of the connecting rod to one side of the crankshaft journal
If tooth contact pattern is comparable to an incorrect pattern, correct tooth contact according to the following chartTooth Contact Shim Correction
Contacts at Top Decrease Shim Thickness