Valve Sealing Test; Cylinder Head Installation - Polaris RZR PRO XP 2020 Service Manual

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11. Install the valve tappet for each valve in the order
they were removed.
NOTICE
Oil the tappet prior to installing.
If any valve train components were replaced, refer to
Valve Clearance Adjustment page 2.31.

VALVE SEALING TEST

1. Clean and dry the combustion chamber area
2. Pour a small amount of clean solvent into each intake
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port 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
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exhaust port .
9930583 R02 - 2020 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.

CYLINDER HEAD INSTALLATION

1. If necessary, rotate the engine so the cylinder is
facing up.
2. If installed, remove the Cylinder Holding & Camshaft
q
Timing Plate
q
.
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
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.
Do not touch the gasket sealing surfaces.
4. Guide cam chain
and install the gasket on the cylinder, locating it on
the alignment pins.
5. Carefully set the cylinder head
alignment pins.
ENGINE / COOLING SYSTEM
from the cylinder.
NOTICE
Plate (PU-50563).
NOTICE
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through a new head gasket
r
in place on
3
e
3.93