2004 Polaris Predator 90 Owners Manual - Page 149

2004 Polaris Predator 90 Manual

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Maintenance Carburetor Adjustments 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 engine damage. See your Polaris dealer for more information about jetting the ATV for conditions in your area. 147

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147
Maintenance
Carburetor Adjustments
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
engine damage. See your Polaris dealer for more information about jetting the ATV for
conditions in your area.