2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 122Get this manual
EngineCooling Engine AssemblyAll 1200 ModelsContinued
21Verify that O-ring grooves in cylinders are cleanInspect surfaces of cylinder and cylinder head for nicks or scratches22Lightly oil new cylinder head O-rings and install in groovesBe sure O-ring is properly positioned and groove is clean and free from debris23Install cylinder heads and cylinder head support ringsTorque to specifications
NOTE: Cylinder heads must be positioned correctly with the wide opening toward the intake and the small opening toward the exhaustThe exhaust side will be labeled: "EX"