2009 Arctic Cat 150 ATV Service Manual, Page 42Get this manual
5Inspect the crankshaft drive gear, balancer shaft drive gear, and keyways for wear, chipping, or discoloration
Installing Right-Side Components
NOTE: When assembling components, always use new gaskets, O-rings, and sealsCoat all moving parts with fresh, clean motor oil
1Install the oil pump assembly into the crankcase making sure the arrow is directed upward; then secure with the two cap screws and tighten to ft-lbTR168