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  1. #1

    Shaving the hump on tje gp1800

    Does shaving the hump on the bottom of the gp1800 gain speed? Has anyone done it? Any info will be great
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  2. #2
    Formerly Ultra250 TN Aquaholic6801's Avatar
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    It worked on the FZ's...

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    AWA MEMBER
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    It's worth .25 mph

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    TrimmedOut15's Avatar
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    You got more replies then I did, I haven't had the balls to try just yet

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    Quote Originally Posted by JoeyDFZS View Post
    It's worth .25 mph
    its actually worth quite a bit more than that.

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    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Quote Originally Posted by JoeyDFZS View Post
    It's worth .25 mph
    Means you don’t know how to do it. If done right you’ll pick up more than that on a fz

  7. #7
    Quote Originally Posted by TrimmedOut15 View Post
    You got more replies then I did, I haven't had the balls to try just yet
    Hahah me either brotha but ive seen ppl on the internet do it and claim 3mph gain im just scared it will make the gp1800 bounce to much thats why im trying to see if ppl on here have done it

  8. #8
    Quote Originally Posted by Aquaholic6801 View Post
    It worked on the FZ's...
    Thats what i was thinking but just trying to see if someone on here has actually done it and get info on how it did

  9. #9
    Steve STSPERFORMANCE's Avatar
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    If that’s not body filler in the center looks like your right up to the inner hull liner that’s pretty thin be careful

  10. #10
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by 2017 fx svho View Post
    Does shaving the hump on the bottom of the gp1800 gain speed? Has anyone done it? Any info will be great
    Is that photo of your GP1800 hull or just an example from some other hull model?

    Does not look like a GP1800 hull to me.


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