Polaris 2003 Pro X Service Manual page 52

ENGINE
Engine Assembly - Continued
13. Install the cylinder head gasket with the "EX"
on the exhaust side, and "UP" on the intake
side of the engine.
14. Insert the dowels into the flywheel housing.
NOTE: Refer to picture for proper installation of
alignment dowels.
15. Tighten flywheel housing to crankcase.
2.20