Polaris 850 PRO-RMK 155 2.6" QD 2021, Manual

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9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
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11. Enter the number of top and bottom sprocket teeth
into the appropriate fields. Click on “Continue”.
NOTICE
Digital Wrench limits the top sprocket teeth numbers to
19 – 26 and the bottom sprocket teeth numbers to 36 –
45. Future Digital Wrench updates will limit the teeth
numbers to match the Polaris-specified acceptable
sprocket combinations.
IMPORTANT
Entering incorrect top and bottom sprocket values will
result in inaccurate vehicle speed display.
12. Digital Wrench will re-program the ECU with the
required speedometer offset.
ELECTRONIC OIL PUMP PRIME PROCEDURE
IMPORTANT
Do not perform the oil pump prime procedure when the
engine is running. After performing this procedure 4–5
times, start the engine to prevent surplus oil from
accumulating in the crankcase.
The Oil Pump Prime procedure is used to purge the
engine oil supply lines of air and to verify the ECU can
drive the oil pump.
NOTICE
Fill the oil tank with oil prior to starting this procedure.
Verify the engine oil supply lines are connected to the
engine, and the oil pump supply hose is connected to
the pump and oil tank.
The Oil Pump Prime Procedure is a Service Procedure
performed with Digital Wrench.
The procedure must be performed whenever the
following occurs:
• Oil supply hoses to engine have 1 in (2.54 cm) or
larger air bubbles
• Oil pump is removed or replaced
NOTICE
Do not perform this procedure with a partially-charged
battery. Verify the battery provides a minimum of 12.5
volts before attempting procedure.
After performing this procedure 4–5 times, start the
engine to prevent surplus oil from accumulating in the
crankcase.
1. Obtain a fully-charged 12 volt battery and the Chassis
Power Up Harness.
Chassis Power Up Harness:
PS-47296–B
GENERAL INFORMATION
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