Polaris Sportsman X2 850 Owner's Manual For Maintenance And Safety page 129

Throttle Cable Freeplay
4. Place the transmission in PARK. Lock the parking brake.
5. Start the engine and allow the idle to stabilize. If necessary, tap the
throttle lever to ensure the idle speed settles.
6. If idle speed remains above or below the recommended setting (see
specification pages), verify the correct gap. If gap is correct and idle
speed is still not satisfactory, please see your POLARIS dealer for
service.
7. With the engine running, turn the handlebars fully to the left and
right. Tap the throttle lever at each turn, verifying that idle RPM
returns to the recommended setting. If idle speed increases, it may
be necessary to increase the gap between the stop pin and throttle
arm, but do not exceed the recommended 2-3 mm gap.
8. When adjustments are complete, tighten the locknut.
9. Squeeze the end of the rubber boot and slide it over the cable
adjuster to its original position.
10. Ensure the control cover seal is in place, then reinstall the cover and
screws.
MAINTENANCE
125