2004 Arctic Cat ATVs factory service and repair manual, Page 284Get this manual
Servicing Center Crankcase Components I NOTE: Whenever part is worn excessively, cracked, damaged in any way, or out of tolerance, replacement is necessary
SECONDARY GEARS
I 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
8Compress the spring until the spring holder nears the threads on the fixed face hub; then using the handle, wind the spring holder counterclockwise to align the flats of the spring holder and hub
Checking Backlash
INOTE: 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 crankcase
3 Mount the indicator tip of the dial indicator on the secondary driven bevel gear9Continue compressing the spring while guiding the spring holder onto the hubWhen slight resistance is felt, stop turning the wing nut