KEEWAY ATV300 - Idle Speed Adjustment

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5-8 Adjustment of Idle Speed
Caution
˙
˙˙
˙ Air screw was set at factory, so no
adjustment is needed. Note the number of
turns it takes to screw it all the way in for
ease of installation.
˙
˙˙
˙ The parking brake must be used to stop the
ATV to perform the adjustments.
Use a tachometer when adjusting engine RPM.
Screw in air adjustment screw gently, then back
up to standard turns.
Standard turns: 1 1/2turns
Warm up engine; adjust the throttle stopper screw
of throttle valve to standard RPM.
Idle speed rpm: 1500 ± 100 rpm
Connect the hose of exhaust analyzer to exhaust
Front end. Press test key on the analyzer.
Adjust the pilot screw and read CO reading on the
Analyze
CO standard value: 1.0~1.5 %
Accelerate in gradual increments; make sure rpm
and CO value are in standard value after engine
running in stable. If rpm and CO value fluctuated,
repeat the procedures described above for adjusting
to standard value.
Parking brake
Air adjustment screw
throttle stopper screw