2001 Polaris SLH, Virage PWC Factory Service Manual, Page 103Get this manual
EngineCooling Engine Assembly 700cc Engine
20Verify that O-ring grooves in cylinders are clean Inspect surfaces of cylinder and cylinder head for nicks or scratches21 Lightly grease new cylinder head O-rings and install in groovesBe sure O-ring is properly positioned and groove is clean and free from debris22Install cylinder heads and cylinder head support rings Torque 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"Cylinder Head Bolt Torque