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    Yamaha 90 missing badly!

    The motor is a 1996 Yamaha 90. It is missing badly up to about 2500 rpm then clears up and will pull 5200 no problem. Idle back down and starts missing again. Has 120 lbs in all cylinders. The carbs were pulled apart and cleaned. New fuel tank, hoses,bulb,fittings. New fuel pump. Inline spark...
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    Yamaha 90 Carb Pilot Screws

    Hello,<br /> This is a 1997. I have Sealoc repair manual. The book lists the pilot screws as 1.25 turns out. But it only lists the center carb. The upper and lower are left blank. All the same or just the center? Confused!<br /> Thanks in advance,<br />...
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