3.36
ENGINE / COOLING
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
Cylinder Head Removal
NOTE: The cylinder head can be serviced with the
engine installed in the chassis.
1. Remove the (2) outer M6 bolts (A) that retain the
cylinder head (B) to the cylinder.
2. Loosen the (6) cylinder head bolts (C) evenly 1/8 turn
at a time until all are loose.
3. Remove and discard the cylinder head bolts (C).
4. Tap cylinder head lightly with a soft faced hammer
until loose.
5. Tap only in reinforced areas or on thick parts of the
cylinder head casting.
6. Remove the cylinder head (B) and head gasket (D).
IMPORTANT: Once the cylinder head is removed,
nothing retains the cylinder to the engine. DO NOT
rotate the engine without using the Cylinder Holding
& Camshaft Timing Plate (PU-50563). Refer to
“Cylinder / Piston Removal”.
Cylinder Head Warp Inspection
Thoroughly clean cylinder head surface to remove all
traces of gasket material and carbon.
1. Lay a straight edge (E) across the surface of the
cylinder head at several different points and measure
warp by inserting a feeler gauge between the straight
edge and the cylinder head surface. If warp exceeds
the service limit, replace the cylinder head.
Use care not to damage gasket sealing surface.
All gasket surfaces must be clean, dry and free
of any oil or grease upon assembly. Clean
sealing surfaces with rubbing alcohol or
electrical contact cleaner. Do not touch sealing
surfaces of the new head gasket.
Cylinder Head Warp Limit:
0.0039" (0.10 mm)
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