Polaris RANGER 500 2017 Service Manual page 98

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GENERAL INFORMATION

• Idle Too High (if > 1400 RPM when warm).

• Idle Too Low (if < 1100 RPM when warm).

• Erratic Idle

• Throttle stop screw tampering

• Throttle cable sticking, improperly adjusted, routed

• Faulty electrical connection

• Plugged air filter

• Leaking injector (rich condition)

• Belt dragging

• Throttle stop screw tampering

• Throttle cable incorrectly adjusted

• Air Leaks, dirty injector

• TMAP damaged (check with Digital Wrench®)

• Tight valves (low compression or high leakdown)

• Ignition timing incorrect

• Belt dragging

• Dirty air filter

• High percentage of cylinder leakdown (worn engine)

• Low compression (worn engine)

• Spark plug(s) fouled

• Spark plug wires loose or worn

• Faulty electrical connection

9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual

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