Pilot Screw (Carb Models); Pilot Screw Adjustment (Carb Models) - Polaris Ranger 500 2x4 2007 Service Manual

MAINTENANCE
5. Push on the choke knob lightly while turning the adjuster
the opposite way.
Boot
Adjuster Sleeve
6. Turn the adjuster until the knob contacts the boot.
7. Tighten adjuster nut.
8. Slide boots back over cable adjuster sleeve until they touch
at the middle point of the adjuster.
9. Pull back the choke knob boot and tighten the friction nut
until the choke will maintain a set position. Re-install boot.

Pilot Screw (Carb Models)

The pilot system supplies fuel during engine operation with the
throttle valve closed or slightly opened. The fuel/air mixture is
metered by pilot screw and discharged into the main bore
through the pilot outlet.
CAUTION
The pilot screw is calibrated at the factory to meet EPA
/ CARB regulations for air quality standards and is
sealed with a brass plug to prevent tampering. Removal
of the tamper proof plug is not permitted. For service
purposes, cleaning of the pilot circuit can be done only
by a certified repair shop to ensure air quality standards
are not exceeded.
2.16
Boot
Locknut

Pilot Screw Adjustment (Carb Models)

1. Start engine and warm it up to operating temperature
(about 10 minutes).
FRONT
(Engine)
Pilot Screw
Pilot Screw Location
Brass Plug Installed
Brass Plug Removed