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ENGINE
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
• Install engine / transmission / rear gearcase mounting
hardware and torque to specification.
NOTE: If isolator mounts were removed or replaced,
use the following illustration to ensure proper
orientation during installation.
• Install rear seat base assembly and torque the mounting
bolts to 40 ft. lbs. (54 Nm).
• Replace exhaust gaskets. Seal connections with high
temp silicone sealant. Check to be sure all exhaust
springs are in good condition.
• Inspect transmission operation and adjust linkage if
necessary (see Chapter 2 “Shift Linkage Adjustment”).
• Checks fluid levels: engine oil, transmission lubricant,
and rear gearcase lubricant.
• Bleed cooling system as described in this Chapter under
“Cooling System Bleeding Procedure.”
Engine Break-In Period
The break-in period consists of the first 25 hours of operation,
or the time it takes to use 14 gallons (53 liters) of fuel. Careful
treatment of a new engine and drive components will result in
more efficient performance and longer life for these
components.
1. Fill fuel tank with unleaded fuel which has a minimum
pump octane number of 87 = (R+ M)/2.
2. Check oil level indicated on dipstick. Add oil if necessary
(Refer to Chapter 2, “Engine Oil Level”).
3. Drive slowly at first to gradually bring engine up to
operating temperature.
4. Vary throttle positions. Do not operate at sustained idle or
sustained high speed.
5. Perform regular checks on fluid levels, controls and all
important bolt torques.
6. Pull only light loads during initial break-in.
7. Change oil and oil filter after break-in period at 25 hours.
17 ft. lbs.
(23 Nm)
17 ft. lbs.
(23 Nm)
30 ft. lbs.
(41 Nm)
The protrusion of the mount
must face inward towards
the engine.
The protrusion of the mount
must face the RH side of
the vehicle.
Front Isolator Mounts
Rear Isolator Mounts
Mount Protrusion
CAUTION
Use only Polaris PS-4 PLUS
Synthetic Engine Oil.
Never substitute or mix oil brands.
Serious engine damage and voiding of
w a r r a n t y c a n r e s u l t .
Do not operate at full throttle or high speeds for
extended periods during the first three hours of
use. Excessive heat can build up and cause
damage to close fitted engine parts.
=
Capacity: Approximately 2 U.S. Quarts (1.9 L)
Oil Type: Polaris PS-4 PLUS Synthetic
Filter Wrench: PU-50105 - 2.5” (64 mm)
- Oil Pressure Specification -
27-35 psi @ 6000 RPM, Polaris PS-4 PLUS
Synthetic, Engine at operating temperature.