Polaris RZR 170 2009 Service Manual

2.14
MAINTENANCE
Idle Speed Adjustment
1. Start engine and warm it up thoroughly.
2. Adjust idle speed by turning the slide adjustment screw in
(clockwise) to increase or out (counterclockwise) to
decrease RPM. (Refer to illustration).
NOTE: Always check throttle cable freeplay after
adjusting the idle speed and readjust if necessary.
Pilot Air Screw Adjustment
1. Using a portable tachometer, start the engine and verify
the idle speed is set to specification. Always check throttle
cable freeplay after adjusting idle speed and adjust if
necessary.
2. Using ‘D’-shaped screwdriver Special Tool PA-47361
adjust the pilot air screw setting, turn the screw clockwise
until engine idle RPM begins to decrease. Stop turning at
this point and note the screw setting.
3. Slowly turn mixture screw counterclockwise until idle
speed returns to Idle RPM. Continue turning
counterclockwise until idle RPM begins to drop. Stop
turning at this point and note the screw setting
4. Center the mixture screw between points in Step 2 and 3.
5. Readjust idle speed if not within specification.
Idle Speed
1700 ± 100
Idle Speed
Screw
Increase
Decrease
IDLE SPEED
CAUTION
The pilot air screw is calibrated at the factory to
meet EPA / CARB regulations for air quality
standards. Cleaning of the pilot circuit must be
performed by a certified repair shop to ensure
air quality standards are not exceeded.
Pilot Air Screw Base Setting:
2.25 turns out (initial)
Special Tool:
PA-47361
Increase
Decrease
PILOT AIR
SCREW
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Polaris RZR 170 2009 Specifications

General

Brand	Polaris
Model	RZR 170 2009
Category	Offroad Vehicle
Language	English