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  1. kevbo

    Small waterbox option

    A stock 94-95 X-2 box is hard to beat for front exhaust. They are also the best designed and built box that I have come across, all for $70 new.
  2. kevbo

    Small waterbox option

    The outlet pipe should be close enough to the bottom to vacuum out water at full throttle. This concept is lost in most aftermarket boxes, they tend to hold water and still make a lot of noise. I would install a small drain on any box that didnt dry out quickly. I think modifying one of the...
  3. kevbo

    Super Jet break in oil type???

    No, not all the same. Stihl Ultra has been found (by the US Airforce) to be the very best oil tested to date for their small drones. Redline came in second.
  4. kevbo

    Super Jet break in oil type???

    The best argument for cheap oil for freeride standups is in the way they are operated. Most of our time is spent running at low power levels with very rich carb settings. We also tend to drown our engines occasionally and almost nobody does a lengthy blowing/drying out before heading home. Cheap...
  5. kevbo

    Super Jet I hate working on Skis!!

    Its nice to have a backup ski while you are repairing the other.
  6. kevbo

    Super Jet Xscream stinger mod on an 865 ?

    Spend a lot of money for more noise?
  7. kevbo

    Freestyle How powerful is a big engine?

    More like 100HP. It takes a custom/dry pipe and a lot of rpm to get big HP numbers. Low port/B-piped engines respond fine but are limited on peak HP.
  8. kevbo

    Custom/Hybrid fast b pipe ?

    It may rub in a couple of spots, otherwise it will run fine.
  9. kevbo

    Other is there anyway to test an MSD box....

    Hey dont throw away that broken MSD, Ill call it new and sell it on Ebay. Guys, please do not use Ebay as a dumpster.
  10. kevbo

    Custom/Hybrid Aircraftsalz 2011 Superfreak Badass Flatwater Build

    Build a false cover that has a bunch of Narco fascia on it. Nobody will ever mess with that crap.
  11. kevbo

    FX-1 What Engine should i go with this year?

    What pump is in the hull?
  12. kevbo

    Freestyle Stunt hull-BOB hull- short backflip whatever question

    Look closer, the keel edges soften ahead of the pump. This gives the hull more lateral grip ahead of the center of gravity making it want to hunt, especially in smooth water.
  13. kevbo

    Freestyle Stunt hull-BOB hull- short backflip whatever question

    You can reduce the S/N nose hunting by adding material to the keel ahead of the pump so that its flat instead of rounded. I absolutely hated Superjets until I did this mod.
  14. kevbo

    Other Why isn't Jet Skiing in the X-Games????

    Jetskis have become a sport for wealthy participants like boat racing and aviation. Kawasaki did well to create a new scene that was affordable enough for many kids of the day. Now it is impossible to do well without spending a lot of money. This situation is made more difficult because it takes...
  15. kevbo

    superjet cdi modification

    I have dissolved a dead enhancer in methylene chloride. It has two boards with everything spread out. Good luck removing the urethane encasement without ruining many of the electrical components. A modified stock box is fine, no need to make it adjustable. Just replace the 91 or 100 ohm resistor...
  16. kevbo

    Other Ride plate vs rider weight

    You will know if your pole is too long or plate too short when the ski is tipping backwards too often at slow speeds. Superjets don't suffer from this until the rider gets big. A "D" cut stock plate has the effect of shortening the hull slightly but also makes the hull pivot quicker in low speed...
  17. kevbo

    Other Where is jetskiing going?

    Jet skis have always had very high turnover, mainly because of the age of the participants. Nobody comes back later in life because its not fun when you get too fat. It doesnt matter what anyone else is doing unless you are in the business or must be part of a scene. You are in the sport as long...
  18. kevbo

    Super Jet Piston wash picts

    Real rich where? At half throttle? Or did you tune full throttle 1-2mph rich of peak?
  19. kevbo

    Super Jet Why is the width of the SJ midshaft bearing smaller than the blaster ?

    Why did they choose a 5205 over a 6205? Probably because the double row can handle much higher axial load than the single, or maybe they had a lot of extras laying around.
  20. kevbo

    Other why do snowmobile engines make more hp per cc than watercraft 2 strokes?

    The snow machine runs at higher rpm than a watercraft pump can use. An extreme example is a 125cc bike can make nearly 40hp where a 250 is only in the 50s. Double the CCs but only 50% more HP. The difference is operating rpm.
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