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MAINTENANCE
Carburetor
Your Polaris vehicle is calibrated at the factory for optimal performance
at altitudes ranging from zero to 1800 meters and at temperatures of 4
degrees C. or higher. Above 1800 meters the engine air/fuel mixture
becomes too rich and the engine loses approximately 3% of its power
for each 300 meter 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 and clutch components,
available from your Polaris dealer, are required for operation above
1800 meters and at temperatures below 4 degrees C.
Tip: 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 vehicle for condi-
tions in your area.
Carburetor/Engine Idle RPM Adjustment
Recommended engine idle RPM is 1200 +/- 200. If the engine idle
speed is unsatisfactory and all other conditions are favorable, the carbu-
retor can be adjusted.
1. Start the engine and allow it to
warm up for approximately five
minutes.
2. Place the transmission in gear.
3. Lock the parking brake.
4. Turn the screw in (clockwise) to
raise RPM. Turn the screw out
(counterclockwise) to lower
RPM.
Idle Screw