Polaris RZR PRO XP 2021 User Manual

3.92
9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
11. Install the valve tappet
i
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
q
.
2. Pour a small amount of clean solvent into each intake
port
w
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
e
.
CYLINDER HEAD INSTALLATION
1. If necessary, rotate the engine so the cylinder is
facing up.
2. If installed, remove the Cylinder Holding & Camshaft
Timing Plate
q
from the cylinder.
NOTICE
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.
NOTICE
Do not touch the gasket sealing surfaces.
4. Guide cam chain
w
through a new head gasket
e
and install the gasket on the cylinder, locating it on
the alignment pins.
5. Carefully set the cylinder head
r
in place on
alignment pins.
ENGINE / COOLING SYSTEM

Polaris RZR PRO XP 2021 Specifications

General

Brand	Polaris
Model	RZR PRO XP 2021
Category	Offroad Vehicle
Language	English