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.
2.33
EXHAUST SYSTEM INSPECTION
Inspect the exhaust system as outlined in the Periodic Maintenance Table.
NOTICE
If removing exhaust components, remove the resonator
q
first and install last. Disconnect the Exhaust Gas
Temperature (EGT) Sensor
w
wire connectors when removing resonator. Do not remove EGT from resonator if
replacement is not required.
Disconnect the Exhaust Gas Temperature (EGT) Sensor
e
wire connectors when removing pipe
r
. Do not remove
EGT from pipe if replacement is not required.
1. Inspect springs
t
. Replace if missing, broken, or stretched.
2. Inspect gasket
y
and pipe socket seal
u
. The gasket and socket seal may weep during break-in period. Weeping
should subside after parts take a set.
IMPORTANT
When re-installing the exhaust system, the EGT sensor wires must be tied back to the designated retention points or
wire failure may occur.
MAINTENANCE