2008 Arctic Cat 400/500/650/700 ATV Service Manual, Page 199Get this manual
11Remove the cap screws securing the oil strainer cap; then remove the capAccount for the cap O-ring (500) CC686
12Remove the two cap screws securing the oil strainer; then remove the strainerNOTE: On the H1 models, thoroughly clean any sealant from the oil strainer cap
Servicing Center Crankcase Components
NOTE: Whenever part is worn excessively, cracked, damaged in any way, or out of tolerance, replacement is necessary
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