3.74
ENGINE / COOLING
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
12. Install the valve adjustment shim (G) and valve bucket
(H) for each valve in the order they were removed.
NOTE: Shim 240 is shown for reference only. Refer
to “Valve Clearance Adjustment” procedure for
proper shim selection.
IMPORTANT: If any valve train components were
replaced, refer to “Valve Clearance Adjustment”
procedure prior to “Camshaft Installation / Timing”
procedure.
Valve Sealing Test
1. Clean and dry the combustion chamber area (A).
2. Pour a small amount of clean solvent into each intake
port (B) and check for leakage around the valves. The
valve seats should hold fluid with no seepage.
3. Repeat for exhaust valves by pouring fluid into each
exhaust port (C).
Cylinder Head Installation
1. Rotate the engine so the cylinder is facing up.
2. Remove the Cylinder Holding & Camshaft Timing
Plate (PU-50563) from the cylinder.
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).
3. Prepare cylinder head gasket sealing surfaces by
cleaning thoroughly to remove all residue. The head
gasket must be installed clean and dry, free from oil
or grease.
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