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    YAMAHA 9.9 dies beyond idle

    Guys, great forum, keep up the good work!!<br /><br />I have a 1987 Yamaha 9.9HP 4-stroke. Starts and idles fine until I try to give it more fuel. Once I do that it sputters and dies but starts up fine after that. <br /><br />I've rebuilt the carb and recently replaced the fuel pump, fuel...
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    9.9 hp Yamaha 4 stroke missing at temp

    I have a 1987 9.9 hp Yamaha 4 stroke pull start that runs great for the first 15-20 mins. After that it begins to run rough. So far I have:<br /><br />1. Replaced fuel pump and strainer<br />2. Rebuild carb<br />3. Replaced spark plugs<br /><br />I tried adjusting the idle screw but that...
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