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  1. marcthompson

    Show off your SXR!!

    Here's a few more pics, I keep forgetting to take some of the engine compartment...
  2. marcthompson

    SXR Yoo guys! Sxr stalling....

    Could be a head gasket leak, letting water in one of the cylinders... How do the plugs look?
  3. marcthompson

    Skat trak or Solas pumps?

    What else, besides the 12 vein stator section, is different about the solas pump vs a stuffed stock pump? And does it really make a $1200 difference? I can see going with a larger diameter but how is a 140mm skat or solas pump considered a magnum pump? Would it have a major impact for a...
  4. marcthompson

    Gas tank vent

    Nice, that's what I'll do
  5. marcthompson

    Gas tank vent

    Ever since I installed the superjet handlepole on my sxr I'm having trouble with my gas tank vent hose. It keeps falling back through the boot at the base of the handlepole and it's a bitch to get it feed back up thru into the handlepole, does it have to vent to the outside of the ski or could I...
  6. marcthompson

    New to SXR's

    Get a set of straight bars and re-drill your stock turn plate to mount them, you can shorten your steering setup up to 4" I think. Very cheap mod and if you decide to upgrade your handle pole later you'll have a better idea of what lenght you wanna go with...
  7. marcthompson

    High comp head ?'s

    I've had a r&d head, which came off of a 750sxi, sitting on my parts shelf for a few years and now I wanna put it on my sxr, but I'm not sure how much it will raise comp... It's marked as being 26cc domes. I'm currently running a stock bore/stroke motor, stock carbs rejetted for the factory wet...
  8. marcthompson

    Freestyle SX-R build

    It's great, def not an easy mod but better than spending $1k or more on an aftermarket setup, I'll post some pics and more info on what I did.
  9. marcthompson

    Freestyle SX-R build

    Here's some finished pics
  10. marcthompson

    Show off your SXR!!

  11. marcthompson

    Shaving glue in hull .-Sxr

    Ya it's not a big gain, I didn't weight mine before and after but I saw a thread where a guy cut away every single bit that he could and it cut off 4lbs... A lot of work for not much gain but along with the other stuff you can cut and trim to save weight it all adds up.
  12. marcthompson

    Shaving glue in hull .-Sxr

    The foam is just laying there, it should come right out once the tank and wb are removed. I used a L- head grinder with a 36 grit sanding pad on it to remove the extra glue. I worked well and was fast but made a huge mess, def do it outside with glasses and mask...
  13. marcthompson

    Sxr freestyle videos

    Here's a thread a found about that ski... http://x-h2o.com/index.php?threads/hull-chopping-sxr-style.85882/
  14. marcthompson

    Ok now im freaking out!!!

    If the foam is two part (activated, like an epoxy) then it should work okay, however if it needs air to expand and setup it will not work very well. You can't just use spray foam from a hardware store, it will not expand like it should. I would try 4lb expanding foam from U.S. Composites, it...
  15. marcthompson

    Sxr freestyle videos

    Not so sure I'd still call that ski an sxr after all that's been done to it. Haha. Pretty bad*ss tho
  16. marcthompson

    Flow control valve

    I put one on the sxr I'm building right now, however I have a ATP waterbox which is supposed to hold way less water than stock, should I just take the fcv off and not have to worry about having trouble?
  17. marcthompson

    Some questions on the SXR

    I wouldn't think it would be much cheaper to buy a hull seperate from a motor, even if you got a good deal on both there's still a lot of misalaineus parts you might need and buying them seperate might put you over budget. As far a hull mods it depends on your riding style, a stock ski handles...
  18. marcthompson

    Lightweight Hoods

    Can speak for tom21's hoods but I have bought several other parts from him. He makes great stuff and I would highly recommend purchasing from him..
  19. marcthompson

    Lightweight Hoods

    I've got a trinity carbon hood on the sxr I'm building right now. It weighs 10lbs with all the hardware on it. Super light, great fit and finish.
  20. marcthompson

    Pump cavitation?

    www.x-h2o.com/index.php?threads/tbm-pump-stuffer-and-10-16-hooker-impeller-now-cavitation-off-idle.111984/
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