3.8
ENGINE
9923412 - 2012 Sportsman 400/500 and EFI Tractor Service Manual
© Copyright 2011 Polaris Sales Inc.
SPECIAL TOOLS
SPX Corporation - 1-800-328-6657 or http://
polaris.spx.com
GENERAL ENGINE SERVICE
Cooling System Specifications
THERMISTOR READING DURING OPERATION
PART NUMBER TOOL DESCRIPTION
2870390 Piston Support Block
2871043 Flywheel Puller
2871283
Crankshaft/Water Pump
Seal Install Kit
5131135 Water Pump Install Kit
2870569 Crankshaft Truing Stand
2870975
Mity Vac™ Pressure Test
Tool
PV-43527 Oil Filter Wrench
Condition
Approx. Reading
(Min-Max)
Temperature
Temperature 37.3 - 39.2 k 68° F (20° C)
System
Capacity
2.25 Quarts
(2.13L)
Radiator Cap
Relief
Pressure
13 PSI (89.6 kpa)
Using tap water in the cooling system will lead to a
buildup of deposits which may restrict coolant flow
and reduce heat dissipation, resulting in possible
engine damage. Polaris Premium 60/40 Antifreeze/
Coolant is recommended for use in all cooling
systems, and comes pre-mixed, ready to use.
Sensor
18.5 +
ft. lbs.
(25 Nm)
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