1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 197Get this manual
ENGINECOOLING Disassembly InspectionPro 785 1Remove exhaust manifold boltscaution: use point box end wrench to remove the exhaust manifold boltsLoosen nuts on head in 2-3 steps using criss-cross pattern and remove the head({fj
Inspect cylinder head for warpingReplace cylinder head if warp exceeds service limitRemove head gasket"EX"
When reassemblingthe gasket must be positioned with "EX" towards exhaust manifoldthe word "UP" must be readable