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  1. WFO Speedracer

    Other MIT proves two stroke is better and cleaner than a 4 stroke

    I don't think most of you fully understand the DI technology and what it takes to run it.First off its not just two injectors sitting on top of the head.There is also an onboard air compressor that is driven off the crankshaft,the fuel is injected along with air pressure to help complete the...
  2. WFO Speedracer

    Custom/Hybrid Shaving cylinders Down. Questions?????

    Yes you must pop the sleeves out to do this
  3. WFO Speedracer

    whats wrong with the 650?

    Of course you can always convert it to fixed steering then its a whole new ball game,and anyone that says a 650 doesn't have enough ass hasn't ridden one set up properly.
  4. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    Probably a 750 small pin:pancake:
  5. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    A shifter cart tank for a high dollar go cart,no I don't think the 440-550 tank will work.
  6. WFO Speedracer

    Home made fixed steer Sj??

    X2 steering will work but you need to make a new steering arm.
  7. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    One more thing ditch the stock tank and put a cart tank in it,its just not worth the hassle trying to keep the stock tank and you need the room for the exhaust to run around the tank and out the back.
  8. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    I would say 15-15.5 pitch
  9. WFO Speedracer

    300/440/550 650TS/SX parts interchange

    Ok I am not even going to ask :deal:
  10. WFO Speedracer

    300/440/550 650TS/SX parts interchange

    No the exhaust does not fit no way ,no how, what Crab is saying is that he has the exhaust thats fits your ski.
  11. WFO Speedracer

    pjs Help

    If you have the pistons then go for it ,I just know last time I priced them they were $200.00 each.
  12. WFO Speedracer

    pjs Help

    Bolt them on a set of small pin 750 cases ,you get more cc's and better flowing intake and cases plus the pistone will be easier to find and much less expensive= mo power,mo power ,mo power
  13. WFO Speedracer

    SMITH LAKE ASSAULT 2009.5 yes 2009.5

    I knew you and Shonuff couldn't stay apart for long,those pics of his ass are your mementos aren't they Gil?
  14. WFO Speedracer

    300/440/550 650TS/SX parts interchange

    cdi box,starter solenoid,thats about it
  15. WFO Speedracer

    Are Yami's wannabe Kawi's

    The formula for 130-140 hp is pretty simple on a Rotax,high compression head around 180-190 lbs,replace exhaust pipe,add fuel pump to the slave carb,drill cases for another pulse fitting,port the cases,rejet the carbs,add flame arrestor and total loss ignition and voila!
  16. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    300SX has a 440 pump.no need to modify just make sure you have the correct pitch impeller in it and do away with the rubber piece on the exhaust outlet,it chokes the engine down to the point it will not plane out.I have the bedplates ,engine bedplate and coupler out of that boat up for sale as a...
  17. WFO Speedracer

    Are Yami's wannabe Kawi's

    Damn straight ,I estimate the engine I am putting together for the X2 to be in the 130-140 hp range and reliable.:Eyecrazy:
  18. WFO Speedracer

    Are Yami's wannabe Kawi's

    Good I will throw one in there as well Rotax 787 110 hp bone stock and it happens to be very reliable ,mods extremely well and its the winning-est engine in PWC racing history bar none ,those are the fact dispute them if you wish.
  19. WFO Speedracer

    Lanier/riot/ronny ride 2010 ??

    I will settle for ten but hay twenty would be twice as good!:bananapowerslide:
  20. WFO Speedracer

    300/440/550 87 300sx engine conversion?

    this should answer most of your questions I think ,click the linky thingy http://www.x-h2o.com/threads/7680
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