2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 148Get this manual
NOTE: To correct tooth contact, steps and (with NOTE) of "Correcting Backlash" must be followed and the above "Tooth ContactShim Correction" chart must be consulted ! 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
3Acceptable gap range must be within specificationsMeasuring Connecting Rod (Big End Width) 1Using calipers, measure the width of the connecting rod at the big-end bearing2Acceptable width range must be within specificationsMeasuring 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