2003 Polaris Deep Snow Snowmobiles Service Manual, Page 90Get this manual

2003 Polaris Deep Snow Snowmobiles Service Manual, Page 90

ENGINES Assembly, Cont26Install new cylinder head cover O-rings and install cylinder head coverMake sure O-rings are properly seated in groovesApply light film of grease to hold O-rings in place if necessary27Loctite 242t to threads of head bolts and install
28Torque head bolts to specification outlined in beginning of this chapter in proper sequence9 10