2000 Polaris Indy 500 / 600 snowmobile service manual, Page 89Get this manual
ENGINES Three Cylinder Monoblock Assembly, Cont11Replace outer O-ring on cover12Apply Bond 1215 to cover13Position shim and O-Ring as shownCover
Apply Sealant To Top Of Shim O-Ring
14Install head cover15Install and torque head cover mounting bolts to specification