2008 Arctic Cat 366 ATV Service Manual, Page 66Get this manual

2008 Arctic Cat 366 ATV Service Manual, Page 66

10Remove the secondary drive gearsecondary driven gear retaining nutFrom inside the crankcase using rubber mallet, drive
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 SECONDARY GEARS NOTE:
When checking and correcting secondary gear backlash and tooth contact, the universal joint must be secured to the front
shaft or false measurements will occur Checking Backlash NOTE: The rear shaft and bevel gear must be removed for this procedureAlso,
always start with the original shims on the rear shaft 1Place the left-side crankcase cover onto the left-side crankcase
half to prevent runout of the secondary transmission output shaft2Install the secondary driven output shaft assembly onto
the crankcase3Mount the indicator tip of the dial indicator on the secondary driven bevel gear (centered on the gear tooth)4While