3
9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
3.23
ENGINE REMOVAL
IMPORTANT
Do NOT rotate the engine backwards. The timing chain
may jump teeth and lead to poor performance.
NOTICE
Some engine repair procedures can be performed
without removing the engine assembly from the vehicle.
See Accessible Engine Components page 3.20 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.
WARNING
Always wear safety glasses and proper shop clothing
when performing the procedures in this service manual.
Failing to do so may lead to injury.
1. Disconnect the battery.
2. Drain the coolant from the engine.
3. Depressurize the fuel system at the valve
q
on the
fuel rail while holding a clean rag over the valve.
4. Remove the seat and ECU cover panel.
5. Remove the four screws mounting the ECU to the
divider panel
w
and disconnect the harness plugs
from the ECU
e
.
6. Remove the nine screws
r
for the air intake housing
cover over the air box.
7. Remove the six plastic rivets
t
retaining the engine
divider panel and push the clamp retaining the main
harness ECU leads to the panel. Remove the panel
from the vehicle.
ENGINE / COOLING SYSTEM
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