2008 Arctic Cat ATVs factory service and repair manual, Page 90Get this manual
Incorrect (contact at tooth top)
A CAUTION
After correcting tooth contact, backlash must again be checked and corrected (if necessary)Continue the correcting backlashcorrecting tooth contact procedures until they are both within tolerance values
CRANKSHAFT ASSEMBLY Measuring Connecting Rod (Small End Inside Diameter) 1Insert snap gauge into the upper connecting rod small end bore; then remove the gauge and measure it with micrometer
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 journalCorrecting Tooth Contact
iNOTE: If tooth contact pattern is comparable to the correct pattern illustration, no correction is necessary