Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 User Manual

3
9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
3.91
WATER PUMP SERVICE
WATER PUMP REMOVAL
The seals on the impeller side of the water pump may be
serviced with the engine in the chassis. Remove the
engine before servicing the complete water pump
assembly.
1. Drain any remaining coolant into a suitable container
by tipping the engine. Remaining coolant may also be
removed using a fluid transfer pump or wet/dry vac.
2. Remove the water pump cover fasteners
q
and
cover
w
.
3. Discard the water pump cover seal
e
.
4. Remove the impeller nut
r
, impeller
t
, and washer
y
from the water pump drive shaft.
5. To remove the mechanical seal
u
, use Water Pump
Seal Remover. Start by removing the fastener and
seal remover body from one side of the tool. Loosen
the other fastener.
Water Pump Seal Remover:
PS-52664
NOTICE
The seal remover body halves have a large end and a
tapered end.
ENGINE / COOLING / EXHAUST

Polaris 850 MATRYX SWITCHBACK ASSAULT 146 2021 Specifications

General

Brand	Polaris
Model	850 MATRYX SWITCHBACK ASSAULT 146 2021
Category	Snowmobiles
Language	English