Polaris 2013 ATV Sportsman 500 Tractor INTL - Manual (Page 47)

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OPERATION
Cold Weather Operation
Internal engine condensation increases as outside temperatures
decrease. If the vehicle is used year-round, check the oil level fre-
quently. A rising oil level could indicate condensation in the bottom of
the oil tank, which can lead to engine damage. Any condensation must
be drained.
Always operate the engine long enough to reach operating temperature,
which reduces condensation. See your POLARIS dealer for engine
heater kits, which provide quicker warm-ups and easier starting in cold
weather.
PVT Operation
When To Use Low Range and High Range
Condition Range to Use
Operating at speeds less than 11 km/h Low
Towing heavy loads Low
Operating in rough or rugged terrain Low
Operating at speeds greater than 11 km/h High