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2005 yamaha 115 four stroke (SICK)

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  • 2005 yamaha 115 four stroke (SICK)

    just bought this boat with yam 115four stroke 50hrs on hour meter. put it in water felt sluggish had to park for few min. got back on it ran fine 35-38mph 4500rpm. stopped & ate wouldnt go 7mph 3000rpm- next day ran fine agian, 3 days later went to bay and wouldnt run 7mph agian. ??? i give it full throttle and only get 3300rpm then it starts dropping to 2800 in seconds and sounds like its killing the motor. started getn a viberation as well,when i bought the boat it was almost empty i filled the tank 52gal. shell gas and it has new fuel filter.starts great runs fine in no wake zone but wtf cant go fishin on this with my kids might not make it back!! any ideas?

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    Re: 2005 yamaha 115 four stroke (SICK)


    Check out this post from July 10: Yamaha 115 4 stroke


    I'm guessing fuel. (And I do mean guessing.) Rodbolt is the expert.

    - Woodnaut
    Construction Photos At: