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  1. C

    loss of power??

    Recently purchased a boat with a 2000 model 115 Yamaha four stroke. Taking it out the motor would not get up to past 4,600 rpm. I reduced the prop size and am currently running a 17pitch on it. Noticed a little increase in rpm, but did not fix anything. This time I noticed when taking off I...
  2. C

    Prop help

    Hi All, Looking for some educated advice on proper prop for my new boat. Recently bought a Polar Saltwater series boat. It's 18'6" and 8'ft wide. She came with a 115 four stroke Yamaha. Only took it out once and it has a lot of bounce and the rpms are only turning 4,600. I looked at the current...
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