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  1. Waternut

    750sx...My turn for the freestyle setup

    I should've started this a while back but didn't so some details will be left out for sure. Here is what I've got so far... Hull Custom rattle can paint job Custom footholds but seriously considering the flat deck w/footstrap conversion Aluminum handlepole Quick turn steering Jet...
  2. Waternut

    Engine won't idle

    Ok so I have a fairly new carb rebuild kit installed (less than a year old) and it hasn't ever been tuned properly. I'm trying to get it ready for spring but every time I start it, it will run for 2-3 seconds and die. If I turn the idle up, the revs will sky rocket and it runs a few more seconds...
  3. Waternut

    SX vs X2 nozzle

    I just bought an X2 nozzle with trim and all. I'm trying to decide which would be better for freestyle obviously. I believe the trim will work with either. The X2 nozzle is plastic(abs?) with vanes and an 83mm bore. The SX nozzle is aluminum and I've bored it to 82mm. I would think the...
  4. Waternut

    Budget total loss?

    Is it possible? Here's my thought...By just removing the magnets on the stock flywheel, you'd lose quite a bit of weight for no $$$ out of pocket. Can the stock ignition be modified to run without the magnets? If so what is necessary? Is it as simple as getting new coils or is there a...
  5. Waternut

    My clean up and repaint

    I'm still working on this obviously but here's what I've got so far. The beginning... After some stripping... Then A LOT of cleaning and painting...Rattle can paint and polyurethane clear coat. Appliance epoxy was used in the engine bay.
  6. Waternut

    Hood failures

    I've heard a lot people talking about possible hood failures but never seen one or read on how they fail. Can anyone fill me in on how or where they fail. Even as an engineer, I'm having a hard time visualizing how one of these things could fail when it's mounted on the hull.
  7. Waternut

    What the heck is this stuff in my hull?

    I am currently cleaning out the hull and this stuff is stubborned but here's what I've noticed after some cleaning... Does this look like some guys attempt to reinforce the front of the hull? The paint brush style is only in the front underneith the gas tank foam and no where else. The edges...
  8. Waternut

    My latest carb question

    A little background...my primer failed and I never got around to ordering a new one so I cut the tubes going to the primer and attached them to the nipples where the choke plate used to go. After replacing the fuel pump and cutting back the tattered spark plug wires my ski ran great for about...
  9. Waternut

    Impeller questions

    I tried asking on PWCtoday(mostly because X-H2O is blocked at work) and never got a response so I figured I'd try it here... I bought my ski used mid summer and it has a factory pipe, K&N flame arrestor, with a few hull mods. The guy before me put a 15-20 SS impeller in it. Based on my...
  10. Waternut

    Damaged vanes

    Took off the nozzle the other day and found this on the vanes...Is this pretty much going to mean a new pump? There's damage at the 4:00 and 8:00 positions.
  11. Waternut

    750 smoking a lot

    I'm running premix of 50:1 in my 750sx. I don't really understand why it smokes like a mosuito truck. I understand all 2 strokes smoke some but this is a little excessive and if I turn around while idling I can see a light cloud of smoke behind me. I've tried using different oils with no luck...
  12. Waternut

    SX/SXi/SXi Pro Stock pop off spring?

    Can anyone confirm the stock length of a 750sx with a Keihin CDK II 38 mm carb on it? I know the stock spring rate is 70g but it could be 8.7mm or 11mm. I'm not sure which.
  13. Waternut

    Throttle Body/Carb spacer

    Putting a throttle body/carb spacer on cars is something people have been doing for a while. Has anyone ever tried this on a jet ski? I'm thinking about this for two reasons... First off I'm curious to know if it would give any power gains. Secondly I'm thinking of going to a Mikuni carb...
  14. Waternut

    OMG what did I do?

    I've been troubleshooting my 750sx for a while now and decided I try rejetting to what factory pipe recommended (88 and 155) for my setup instead 76 and 175 currently in it. With my current setup I got it to run great except down low with these jets using a really low pop off pressure. I...
  15. Waternut

    Full length footholds?

    I've seen countless hulls with footholds and a few with custom footholds. As I was cutting out the curves for some custom footholds I thought...why not extend the footholds all the way to the front? Not only would this give more versatility of where you can stand but it would offer more...
  16. Waternut

    750sx problems

    I recently bought a 92 750sx and it has a CDK II 38mm carb in it. It has a factory pipe and K&N air filter plus some other fun stuff unrelated to the engine. When I bought it, it would absolutely rocket out of the hole at about 1/3 throttle but if you stayed above 1/3 throttle for more than a...
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