3.16
ENGINE / COOLING
9924125 - 2013 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2012 Polaris Sales Inc.
GENERAL ENGINE SERVICE
Engine Lubrication Specifications
Oil Pressure Test
1. Remove blind plug/sender from left side of
crankcase.
2. Insert a 1/8 NPT oil pressure gauge adaptor into the
cra
nkcase and attach the gauge.
3. Start engine and allow it to reach operating
tem
perature, while monitoring the gauge.
NOTE: Use only Polaris PS-4 PLUS or Extrem
e Duty
Synthetic 4-Cycle Engine Oil.
Accessible Engine Components
The following components can be serviced or removed
with the engine installed:
• Starter Motor / Drive
• Cylinder Head
• Cylinder
• Piston / Rings
• Rocker Arms
•Water Pump
The following components require engine removal for
se
rvice:
• Flywheel
• Alternator (Stator)
• Counterbalance Shaft or Bearings
• Gear Train Components
• Camshaft
• Oil Pump / Oil Pump Drive Gear
• Connecting Rod
• Crankshaft
• Crankshaft Main Bearings
• Crankcase
Oil Capacity: Approximately 2 U.S. Quarts (1.9 l)
Oil Type: Polaris PS-4 PLUS (PN 2876244)
or PS-4 Extreme Duty (PN 2878920)
Oil Filter: PN 2540086
Filter Wrench: PU-50105 - 2.5” (64 mm)
- Oil Pressure Specification -
27-55 PSI @ 6000 RPM, PS-4 PLUS Synthetic
Engine at operating temperature
Oil Pressure at 6000 RPM (Engine Hot):
Minimum: 27 PSI
St
andard: 31 PSI
Maximum: 55 PSI
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