Polaris 2005 RMK - Manual (Page 86)

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MAINTENANCE
General Maintenance
Engine Cooling - Liquid Cooled Models
Coolant High Temperature Indicator Light
The high temperature indicator light is controlled by a switch in the
engine cooling system on liquid cooled models. If the engine coolant
reaches a certain temperature, the switch completes a circuit that turns
the light on. If you must drive your machine after the high temperature
indicator light has come on, drive slowly and stop frequently to allow
the engine to cool down. See your dealer.
n Coolant Level
The coolant level in the coolant bottle must be
maintained at the “full cold” line (1) on the
coolant bottle when the engine is cold.
CAUTION
Operating the snowmobile with insufficient
coolant will result in overheating and serious
engine damage. Always maintain the coolant
level as recommended.
Flushing the Cooling System
To ensure that the coolant maintains its ability to protect the engine,
the system should be completely drained every two years and a fresh
mixture of antifreeze and distilled water should be added. This service
must be done when the engine is cold. Ask your Polaris dealer to
check the coolant when he performs the fall tune-up on your
snowmobile.
1