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  1. #1

    looking for 85mph?????

    hi ! i have seadoo RXT-X 255 2008 year stock , i want looking for 85mph , any good idea parts can install ???? can get top end speed 85mph >>>>>

  2. #2
    Mod less, ride more! troyheb's Avatar
    Join Date
    Jul 2007
    Nederland, Texas
    You might want to take care of the pump tunnel before you start thinking about going fast. 85 might be a reach, it takes alot to get a RXPX to 85, a RXTX would be alot harder.

  3. #3
    thank for reply , last week i just do the pump tunnel reinforment, ant good parts can go to 85mph ??????????????????

  4. #4
    Moderator Snoman's Avatar
    Join Date
    Apr 2006
    South Chicagoland
    These 3 seaters are big and alot heavier than the RXPs..You will need a lot of cash and alot of power..Your gonna need a Scer that puts out alot of boost,your gonna want to spin higher RPMs,which means either a ECU or Motec system.Head work,exhaust,Your gonna need prop work,Intercooler,injectors and alot of test time..85 on a 3 seater is hard to accomplish..Which i wish you all the luckin the world and would love to see your build as most on here would too..This could be a fun build for you and others to watch..

  5. #5
    yes ! i understand in 3 seater go to 85mph is very alot harder, but i want to test , any good strong parts can support ????

  6. #6

    Join Date
    Jul 2005
    Lake Dunlap, Texas
    It's fairly easy to get a T-X to 80 MPH. After that the going gets tough. In my opinon after the usual mods to get to eighty--think of installing a turbo. That will get you there.

  7. #7
    Gone in 3.0 seconds... RXPT400's Avatar
    Join Date
    Nov 2007
    +1+1...Install a TURBO system on you 3-seater get it dial right and you will see 85-90 mph all day. It just take a lot of cash and tunning time that 's all. Good luck .......

  8. #8
    GOT BOOST? Dockside's Avatar
    Join Date
    Dec 2008
    Ontario, Canada
    whats your budget there ALOT of parts to list. check out stsperformance rxt-x build

  9. #9
    mstennes's Avatar
    Join Date
    Jul 2006
    On the Columbia River above a Dam
    Quote Originally Posted by Dockside View Post
    whats your budget there ALOT of parts to list. check out stsperformance rxt-x build


  10. #10
    danieletrono's Avatar
    Join Date
    Feb 2008
    San Benedetto del Tronto, Italy
    The man for you is mrracing ask him!!!

    IMO you need: b-kit, cp pistons, new rods, retainer 8600 reflash, new rotax racing pump, rr cams, light countershadt, light hood and seat,rr intercooler , opne loop system,new prop...and also wkth these mods will be hard but you will have a very fast ski!!

    But mrracing has skills to say you better due to he worked and known lemoine ski!!!!

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