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Thread: New Yamaha F115B 4 stroke

  1. #21
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    Quote Originally Posted by arkansasbowhunter View Post
    The motor surges when on top end and
    When I come off plane it dies. Those are great speeds tx what boat is that on? I have a power tech prop. 19pitch

    My boat will do 42 loaded or unloaded lol. It ain't a speed demon but rides good.
    At least it cranks back up!

  2. #22
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    Would love to know what your cavitation plate distance is from the bottom boat and setback is on motor. Would love to try that prop out and see if it makes that difference in my boat lol. I worked with power tech on phone and seems like what I got from the best at the time.

    Fyi what u get from the factory is never the best prop for the boat and more than likely what's most economical for the company or dealer.

  3. #23
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    I have a 115 on a 17 56 xpress. The best I have done is 50 mph
    Likes blindhog LIKED above post

  4. #24
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    6” setback, a little under 3.5 below pad.

  5. #25
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    These are gps speed and not speedometer correct? My water pedometer shows me faster than gps

  6. #26
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    Yes, from a HDS-5 unit.

  7. #27
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    Default New Yamaha F115B 4 stroke

    That's great tx. Wish ya lived closer as I would like to try that prop. I am gonna look and see what prop I have and motor settings with set back.

  8. #28
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    Quote Originally Posted by Tiger View Post
    I have a 115 on a 17 56 xpress. The best I have done is 50 mph
    I would be very very happy with that!

  9. #29
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    Ok it looks like speed is good.

    How is it in the hole shot?
    Sluggish? Comparable to a 2 stroke?

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