Polaris Widetrak LX Owner's Manual page 51

OPERATION
Track Warm-Up
A loose track or flying debris could cause serious personal injury or death.
Stand clear of the front of the machine and the moving track. Never hold the
snowmobile up or stand behind it while warming up the track. Do not use
excessive throttle during warm-up or when the track is free-hanging. Be sure
the rear support is stable.
Use of traction products such as studs, ice growsers, etc. will increase the
possibility of track damage and/or failure. This could cause loss of control,
resulting in serious injury or death. Always inspect for track damage before
operating the snowmobile.
Follow these steps to ensure proper warm-up of the engine, drive train
and track.
1. Use an appropriate stand to securely sup-
port the rear of the snowmobile at the rear
bumper. The track should be approxi-
mately 4 inches (10 cm) off the ground.
2. Start the engine and allow it to warm up
two to three minutes.
3. Depress the throttle abruptly and allow
the track to rotate several revolutions.
NOTE: It will take longer to warm up the
track sufficiently during colder out-
door temperatures.
4. Release the throttle, apply the brakes,
shut off the engine and lower the machine
to the ground.
5. Grasp the skis by their front loops and move them from side to side.
This will loosen frozen snow from the ski bottoms, allowing the
machine to move forward more easily.
6. The engine, drive system and track are now properly warmed up
and the machine may be driven following normal safety practices.
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WARNING
WARNING