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ENGINE / COOLING
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9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
ENGINE SERVICE
Accessible Engine Components
The following components can be serviced or removed
with the engine installed:
• Camshaft(s)
• Camshaft Sprocket(s)
• Cylinder Head
• Flywheel
• Oil Cooler
• Starter Motor / Idler Gear Asm
• Stator (Alternator)
•Thermostat
• Valve Cover
• Water Pump
The following components require engine removal for
service:
• Camshaft Timing Chain
• Connecting Rod(s)
• Counterbalance Shaft / Bearings
• Crankcase
• Crankshaft / Main Bearings
• Crankshaft Seal (PTO)
• Cylinder
• Oil Pump / Oil Pump Sprocket or Chain
• Piston / Rings
Top-End Service (Engine in Chassis)
Some top-end engine components can be serviced while
the engine is mounted in the chassis.
To service the top-end of the engine refer to the “Valve
Clearance Inspection” procedure in Chapter 2, which
provides detailed steps to access the valve cover.
Engine Removal
IMPORTANT: Some engine repair procedures can be
performed without removing the engine assembly
from the vehicle. Refer to “Accessible Engine
Components” for further information.
NOTE: The use of an overhead or portable engine
hoist is the only recommended method for removing
and installing the engine.
NOTE: Have an assistant help guide the engine in
and out of the vehicle while using an engine hoist to
prevent personal injury or damage to vehicle
components.
1. If vehicle was recently operated, allow it to cool down
before attempting to perform any work.
2. Thoroughly clean the engine and chassis.
3. Drain the engine oil and coolant prior to engine
removal (see Chapter 2).
4. RZR XP: Remove the seats, console cover, engine
service panel and divider panel heat shield (see
Chapter 5).
RZR XP 4: Remove the rear passenger seats, engine
service panel and divider panel heat shield (see
Chapter 5).
5. Disconnect the (-) negative battery cable from the
battery.
6. Remove the rear bumper and cargo box as an
assembly (see Chapter 5).
7. Remove the air box assembly (see Chapter 4 “ECT
Sensor Replacement”).
8. Elevate the rear of the vehicle off the ground using a
suitable lift and remove the left rear wheel.
Always wear safety glasses and proper shop
clothing when performing the procedures in
this Service Manual.
Failing to do so may lead to possible injury.
Use care when supporting vehicle so that it does not
tip or fall.
Serious injury may occur if vehicle tips or falls.
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