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    Can't get WOT RPM

    Here we go again; I have a johnson 9.9 on a 24' pontoon. I haven't been able to get above 4100 rpm. This weekend I did some tests; I have a 9.5 x 9 prop. I tried tilting the engine and no change in rpm. I put on a 9.9 x 7 prop no change of rpm then tried tilting the engine again no change...
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    JOHNSON 9.9 TO 15 W/CARB SWAP

    I was told I can upgrade my 9.9 johnson to the 15 hp Johnson by switching the carb. Is this ethical? What's all in involved? I basically see 2 nuts on the carb studs, throttle cable and air intake. Looks simple enough. To gain 50% on HP for a couple hundred seems reasonable. Any advice or...
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    JHONSON 9.9 WOT TOO LOW

    I HAVE A 2005 JHONSON 2 CLYINDER 4 STROKE BRAND NEW. MY TACK READS 4000 RPM WOT IN NEUTRAL MY HAND TACH READS 4800 RMP WOT IN NEUTRAL. I THINK THIS IS TOO LOW. WHAT SHOULD IT BE?? I THINK 5500 IS ABOUT RIGHT. SO HOW DO I ADJUST THE RPM IN NEUTRAL. I HAVE CHECKED AND THE THROTTLE IS OPEN...
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