Another Jetting and Prop Question - Modified Kawi 750

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  1. #1
    PWCToday Regular
    Join Date
    Jul 2013

    Another Jetting and Prop Question - Modified Kawi 750

    Getting nearer to putting a 750 I built into my X2 and I am looking for a bit of advice. I plan on rebuilding my sbn 44 and am trying to figure out where I should start jetting and pop-off wise. (at sea level) I am also looking for a prop with low end for this set up. I asked in my build thread about props and was suggested 8/16 or 9/17 skat, but I didn't mention I was looking for bottom end. Thanks guys, here is what the engine looks like so far.

    SP 750 (B cylinder)
    Wiseco pistons .50 over
    150 psi
    R&D Timing advance
    SBN 44
    Mikuni (BWC racing) intake
    Westcoast pipe (portmatched)
    case epoxy & ported intake
    Drilled Waterbox
    Head Tapped for dual cooling
    Attached Images Attached Images
    Last edited by Chris_K; 09-25-2017 at 09:48 PM.

  2. #2 Is My Home Away From Home
    Join Date
    May 2007

    Re: Another Jetting and Prop Question - Modified Kawi 750

    150 high, 120 low and 27/30 pop off.

    8/16 probably be better in a X2 but 9/17 is good too. You can always bore your pump nozzle, something you may need to do with either prop.

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