3.24
9925723 R01 - 2015
RZR
900 Service Manual
© Copyright 2014 Polaris Industries Inc.
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
Some top-end engine components can be service while
the engine is mounted in the chassis.
To service the top-end of the engine, refer to Chapter 2 –
Valve Clearance Inspection, page 2.16 which provides
detailed steps to remove the valve cover.
Engine Mounts
The engine is mounted to the frame on the front only.
The rear of the engine is mounted to the transmission. To
replace the isolators:
1. Slightly lift and secure the engine using an engine lift.
2. Remove the engine isolator bolts securing the mount
to the engine bracket.
3. Remove the fasteners retaining the isolator bracket to
the frame and remove the isolator.
4. To install, reverse the procedure. Tighten fasteners to
specification.
Engine Mount to Frame Fasteners:
22 ft-lb (30 Nm)
Engine Isolator Fasteners:
40 ft-lbs (54 Nm)
Engine Removal
IMPORTANT: Do NOT rotate the engine backwards.
The timing chain may jump teeth and lead to poor
performance.
NOTE:
Some engine repair procedures can be
performed without removing the engine assembly
from
the
vehicle.
See
Accessible
Engine
Components, page 3.24 for further information.
The use of an overhead or portable engine hoist is
the only recommended method for removing and
installing the engine.
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 the vehicle.
ENGINE / COOLING SYSTEM