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Old 11-08-2007, 07:26 AM   #2
NO NO NO E-Z-GO!
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Join Date: Dec 2006
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Posts: 4,995
Default Re: Need help tuning a carb

The air/fuel mix screw is the one closest to the engine going in at a steeper angle than the rest. I generally turn it slowly inward until I hear a noticeable change in engine sound (keep it running at about 1/2 throttle), then count the turns outward until I hear another noticeable change in sound. Then I turn it back in half of those turns and "meet it in the middle."
I gave up adjusting carburetors to spec a long time ago and this provides great results each time I do it.
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