Thread: Pontoon speed?

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  1. #1
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    Pontoon speed?

    I am new to the pontoon world as we just got our 1st one a couple weeks ago. I have been on boats my whole life but never a pontoon until now. As I understand that most are not very fast I am not sure what kind of speed I should be looking to get out of mine. It is a 2008 Bennington 20ft with a 90hp 2 stroke Yamaha. As of right now I am only getting 20 mph per GPS at 6000 rpms with a light load. Does that sound about right?
    2018 Phoenix 919. 225 SHO

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  3. Banned
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    #2
    No, I'm almost that fast with a 40 on a 20 footer. I'd think 30-35 would be a reasonable number.

  4. Member
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    #3
    You are close. Bennington is a heavier boat because of the larger pontoons, floor, etc. 6K on the tach is a little high though. Go up one size in prop and speed should come up. Also, are the pontoons clean or dirty? This will cause you to loose as much as 33% speed. At least here where we are.
    1997 STRATOS 285 PE EVINRUDE INTRUDER 175

  5. Member
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    #4
    If I'm not mistaken the max recommended RPMs for that motor is 5500rpms. If you go up one pitch and put a load in the boat you should be right where you need to be. I wouldn't expect much more speed than where you're at once you get a load. I have a 24ft harris with a 90hp 2 stroke and with a light load we see about 20mph. Loaded we loose a couple mph.
    2008 XPRESS H18
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  6. Member
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    #5
    If I were you I'd run it with a load and see where your RPMs are at WOT. (wide open throttle) If you're still over 5700 RMPs with a full load then I would go up one more pitch
    2008 XPRESS H18
    2017 MERC 150 4S

  7. Member
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    #6
    Ok. I will look for another prop. Appreciate it guys
    2018 Phoenix 919. 225 SHO

  8. Member Bass AHolic's Avatar
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    #7
    your Bennington to the pontoons is akin to the Holiday Rambler Brand of campers.. High Dollar toon. I've seen putt putts and a few that make a wake boat look sick lolo.. the ZOOOM ones where BIG HP motors I guess? Only ones been on is in showrooms, never rode 1 on lake.

  9. Member larryhyco's Avatar
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    #8
    My 22 ft Harris with a 50hp mercury can get up to 21 mph on gps.

  10. Member
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    #9
    I just traded a 2007 22ft Bennington with a 2007 115 yamaha four stroke and 22 MPH was all i could get with two people if I had a load it was more like 16 to 18 MPH.