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  1. #1

    Can a Riva Rpm kit be put on a 12f?

    I want to put an RPM kit on my 12f, but I wanted to make sure it was ok first. I assume that it is fine to do and that the only that I need is a different impeller than whats in the kit. Has anybody put an RPM kit on their 12f? Would doing so make it almost the same speed as a stock 15f?


  2. #2
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    You can run the cams for sure, the rest of it im not sure, the 12f already has a higher compression ration than the 15f so the bump in compression would probably be bad but im not sure, sorry im not more help i cant speak from experience about the kit. here is a link about the cams

    Sean

  3. #3
    madtown_chris's Avatar
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    cams aren't in the rpm kit......you must be thinking of that "other" kit

    as far as rideplate w/ reverse, sponsons, FF exhaust, air filter for your 12f everything will bolt up and I'll even buy the 14/21 off ya if ya want...! I think you need the 13/18 impeller on your craft

  4. #4
    Thanks for that, I definitely have to check exactly what impeller I need I knew the 14/21 was too tall. How big of a snap and top speed difference will I see from all the bolt ons?

  5. #5
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    oops, My bad.

    Sean

  6. #6
    AaronC's Avatar
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    Yes it will work except use a different impeller. Impros does a 12/19 Impeller for the 12f and 13.5/20 for the 15f.

  7. #7
    How big of a performance increase should i see?

  8. #8
    madtown_chris's Avatar
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    3-5 mph...get som GPS numbers before ya start then you'll know...

    R&D site states 59-60 after mods for 12f

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