2011 Arctic Cat 366SE ATV Service Manual, Page 55Get this manual
1Remove the secondary driven output shaft assembly from the left-side crankcase half2Clean the secondary driven bevel gear teeth of old oil and grease residue3Apply thin, even coat of machinist-layout dye to several teeth of the gear4Install the secondary driven output shaft assembly5Rotate the secondary driven bevel gear several revolutions in both directions6Examine the tooth contact pattern in the dye and compare the pattern to the illustrations If tooth contact pattern is comparable to an incorrect pattern, correct tooth contact according to the following chartTooth Contact
Contacts at Top Contacts at Root
Shim Correction
Decrease Shim Thickness Increase Shim Thickness
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