Maintenance, Throttle system – Polaris 2012 ATV RZR 170 User Manual
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MAINTENANCE
Throttle System
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.
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.
Always check the pedal for free movement and return before starting the engine 
and occasionally during operation.
Throttle Freeplay
If the throttle pedal has excessive 
play due to cable stretch or misad-
justment, 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 
beginning on page 53. Adjust the 
freeplay if necessary.
Throttle Freeplay Inspection
1. Place the transmission in neutral. Set the parking brake.
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 1/16 to 1/8 inches (1.5-
3 mm).
WARNING
Throttle
Pedal
Brake
Pedal
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