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  1. #1

    Kawasaki stx 15f 2009 topspeed compared to seadoo rxp 2005

    Hey everyone.

    I have just bought a new kawasaki stx 15f. My friend just bought a Seadoo rxp today and we are going to ride together.
    Will I be able to keep up with him?

    I assume his jetski is faster with his 215hp, but how much faster can it be?
    I have installed the r&d ride plate and must say its a little faster than the stock plate.
    I also bought a power filter kit that I will install. Im only about 152 lbs and he is around 175 lbs.

    best rgds


  2. #2
    I have a 2010 15f and top out @ 60 mph bone stock. I am 190 lbs. With your mods and being 152 lbs you should see the 64ish +- a couple... The RXP should do in the upper 60's, maybe even hit 70. Sorry, but you will not be able to keep up.

  3. #3
    Formerly Ultra250 TN Aquaholic6801's Avatar
    Join Date
    Feb 2007
    Old Hickory,Tn
    A stock 15f should run 61-63 mph ....with a ride plate and air intake and exhaust it should get you close to 65-66 mph....Stock RXP will be close to 70 mph with a whole lot more hole shot.............

  4. #4
    15f ~ 62-63, RXP ~67-68, no chance to keep up.

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