3.6
ENGINE
9923983 - 2012-2013 RZR 170 Service Manual
© Copyright 2012 Polaris Sales Inc.
Engine Lubrication
Oil Type:**
Performance Synthetic (PS-4) Extreme Duty Oil
Capacity: Approximately 37 oz. (1.1 ltr.)
Drain Plug (Engine Oil): 18 ft-lbs (23 Nm)
Screen Fitting: 11 ft-lbs (15 Nm)
Oil Pressure Specification: Not Applicable
** For break-in period after engine top end service, use
Performance Synthetic (PS-4) Extreme Duty oil to ensure
complete piston ring seating to cylinder wall. Change to
above recommendation after 10 hours.
Piston Identification
The piston may or may not have an identification mark for
piston placement. If the piston has an identification mark,
follow the directions for piston placement below. If the
piston does not have an identification mark, the direction
for placement of the piston does not matter.
Note the directional and identification marks when viewing
the pistons from the top. The letters “IN” must always be
toward the intake side of the engine. The other numbers
are used for identification as to diameter, length and
design. Four stroke engine rings are rectangular profile.
Any numbers or letters on the rings (except oil control
rings) must be positioned upward. See text for oil control
ring upper rail installation.
Accessible Components
The following components can be serviced or removed
with the engine installed in the frame:
• Flywheel
• Alternator/Stator
• Starter Motor/Starter Drive
• Oil pump / Chain
• Rocker Arms
• Carburetor
• Transmission Components
• Valves
• Cylinder Head
• Cylinder
• Piston/Rings
• Camshaft
The following components require engine removal for
service:
• Cam Chain and Sprockets
• Crankshaft
• Crankshaft Main Bearings
• Crankcase/Bearings
• Balancer/Bearings
NOTE: Cam chain service requires crankshaft
removal, as the chain is located on the pto side of
the engine.
NOTE: Crankshaft components are not serviceable.
Replace crankshaft as an assembly.
Engine Model No.
Oversize
Available (mm)
Standard Piston
Identification
ES35C N/A
”IN” marking on
top of piston
toward intake
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