Polaris RANGER 2019 Owner's Manual page 130

MAINTENANCE
THROTTLE SYSTEM
WARNING
Failure to check or maintain proper operation of the throttle system can result
in an accident and lead to serious injury or death if the throttle pedal sticks
during operation.
Always check the pedal for free movement and return before starting the
engine and occasionally during operation. Never start or operate this vehicle if
it has a sticking or improperly operating throttle pedal. Immediately contact
your dealer for service if throttle problems arise.
THROTTLE FREEPLAY
If the throttle pedal has excessive play due to cable stretch or maladjustment, it
will cause a delay in throttle response, especially at low engine speed. The
throttle may also not open fully. If the throttle pedal has no freeplay, the throttle
may be hard to control, and the idle speed may be erratic.
Check the throttle pedal freeplay at the intervals outlined in the Periodic
Maintenance Chart. Adjust the freeplay if necessary.
THROTTLE FREEPLAY INSPECTION
1. Apply the brakes. Engage the park brake. Shift the transmission to neutral.
2. Start the engine. Allow it to warm up thoroughly.
3. Measure the distance the throttle pedal moves before the engine begins to
pick up speed. Freeplay should be 1.6-3.2 mm (1/16 to 1/8 inches).
IDLE RPM
Idle RPM is preset by the manufacturer. If the engine idle speed is not
satisfactory, please see your POLARIS dealer for adjustment.
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