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15 hp yam outboard. No Power!

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  • 15 hp yam outboard. No Power!

    I have a near new, very low hrs. 2009 15 hp outboard.Runs great. Issue is...seems to seriously lack in power output. I bought in new, it has been like this since new. I wonder if I could change the prop to get more out of it? Using it on an open 14 foot lund. any help appreciated!!!

  • #2
    Certainly get it propped as best that you can. That motor needs to be able to turn at or near 6000 when at WOT and the boat loaded as you would use it.

    Now having said that, I don't think I would have too much of an expectation as to the type of performance you are going to see with just 15 HP on the back of a 14' aluminum boat. I ran a 14' Mirrocraft boat for a number of years with a Mercury 25 HP two stroke on the back and there were times when I wished for more HP. Should have gone with the Merc 35 HP two stroke if truth were to be known.

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