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MAINTENANCE AND LUBRICATIO N
Adjustments
Carburetor
IMPORTANT: Your Polaris ATV is calibrated at the factory for
optimal performance at altitudes ranging from zero to 6,000 feet (1800
m) and temperatures of +40 degrees F. (4 degrees C.) or higher. Above
6000 feet (1800 m) the engine air/fuel mixture becomes overly rich and
the engine loses approximately 3% of its power for each 1000-foot
(304.8 m) increase in elevation. Although this power cannot be
regained, adjustments to the carburetor and drive system can be made
to allow more efficient operation. Optional jets, available from your
Polaris dealer, are required for operation above 6,000 feet and
temperatures below +40 degrees F. (4 degrees C.)
NOTE: Continuous operation of the engine without proper jetting
when required can cause poor performance, overheating or
PVT or engine damage. See your Polaris dealer for more
information about jetting the ATV for conditions in your area.
NOTE: Pilot screws are sealed with metal plugs and are serviceable
only by Polaris dealers.
Oil Pump Priming
This priming procedure must be performed whenever the oil hose
connection between the oil tank and pump inlet has been disconnected.
1. Clamp or pinch off the vent
line (1) approximately 2I
from the oil tank (2), between
the end of the oil tank vent
fitting and the vent line’s
pressure relief slit (3).
2. Run the engine for 45-60
seconds.
3. Remove the vent line clamp.
The oil pump will now be
properly primed and ready for
operation.
2I
1
2
3