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  1. T

    How is this possible

    Runs like a striped ass ape on muffs but won't accelerate above 1200 rpm in the lake. Have checked compression, spark, float level, vacuum leaks. It is a 1988 merc black max 200 2 stroke. I am in big bear altitude is about 6500' already have high altitude jets prop is a 19 pitch, fuel lines and...
  2. T

    High altitude

    Outboard is a 1988 Black Max 200 HP 2-stroke serial number 0B304145 took it out for my first time today and it will not accelerate it lugs and dies, idles perfectly we idled around for about an hour and a half using 6 gallons of fuel. I know the fuel fitting at the tank does not have a perfect...
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