Polaris Genesis 2000

FUEL SYSTEM/CARBURETION
Mixture Screw Settings - Keihin
Mixture Screw Adjustment - Tuning - Keihin
Low Speed (Idle) Mixture Screw
1. The low speed mixture screw is located
lowermost on carburetor. Remove limiter cap
(pull outward).
2. With craft in the water or test tank, adjust idle
speed to specifications (see procedure this
section).
3. Start engine, let it idle for one minute to normalize
engine temperature. Rev engine slightly for
10-20 seconds and return to idle.
4. Turn each mixture screw to obtain highest idle
RPM.
5. Turn each screw out approximately 1/4 turn from
this point. Fine tune to achieve best throttle
response.
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