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  1. Replies
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    If you have access to a borescope take a look. If...

    If you have access to a borescope take a look. If not remove the head on the suspect cylinder. That should tell you a lot. Removing the head is fairly easy. You can then get a good luck at the top of...
  2. I finally had it on the "big side" of the pond...

    I finally had it on the "big side" of the pond today. It ran flawlessly again! The dream meter read 62 at one point. I didn't have GPS on at that moment but for whatever reason my dreamometer seems...
  3. I ran it for hours on Sunday as well and zero...

    I ran it for hours on Sunday as well and zero issues. I let everyone there ride it as hard as they wanted to. I pulled a few friends wake boarding too. I also gave it a few good minutes of severe...
  4. She ran perfectly all day! I even took my bulldog...

    She ran perfectly all day! I even took my bulldog for a ride. Today was my favorite day out on the ski by far! I hope tomorrow is just as fun.
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    732

    I don't see how bad plugs could cause an...

    I don't see how bad plugs could cause an overheat. Maybe if it wasn't firing every stroke it was pouring unburned fuel into the exhaust and then igniting while in the exhaust causing the overheat...
  6. Here is a quick tip for anyone that comes across...

    Here is a quick tip for anyone that comes across this thread. Use a heat gun to warm up the coolant hose before pulling them off of the fittings. Not only will they come off much easier but they...
  7. I am far from an expert but the plugs look much...

    I am far from an expert but the plugs look much better now than before. I think you are heading in the right direction. Earlier plug pics looked very lean compared to these. Hopefully that continues...
  8. I burned up a piston twice in cylinder 3. It...

    I burned up a piston twice in cylinder 3. It appears it was from a lean condition. I have done so much work I don't know for sure what the cause was. I did have air in my fuel line especially when...
  9. Pressure test the fuel system to make sure you...

    Pressure test the fuel system to make sure you don't have a leak. It doesn't take much of a leak to create a problem.
  10. I am a rookie in terms of mods but I have read...

    I am a rookie in terms of mods but I have read enough to know removing the stock spark arrestor and adding aftermarket ones cannot be done without modifying the carbs. In other words don't do it...
  11. I have shared all of my most embarrassing moments...

    I have shared all of my most embarrassing moments in this thread so I figured I would share another. I put the ski in for about a half hour tonight. I shut it off while out there for a few minutes at...
  12. Replies
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    1,705

    I bought a $20 used stock replacement sensor on...

    I bought a $20 used stock replacement sensor on eBay. If it works I should be able to check it against my phone so I can compare it to the real world speed. I know the stock sensor is inaccurate but...
  13. Replies
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    1,705

    My speedometer doesn't work. The Candoo pro GPS...

    My speedometer doesn't work. The Candoo pro GPS Module seems like a good option for me. It is a bit pricey but it would be nice to know what my real speed is without having to use my phone. I will...
  14. Why did the slime build in up that carb? Maybe it...

    Why did the slime build in up that carb? Maybe it was just neglect?

    I truly hope you are lucky and it is running perfectly going forward. I did not have that luck...
  15. Replies
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    421

    No. You can't not remove it. The oil pump feeds...

    No. You can't not remove it. The oil pump feeds the three carbs as well as the counter balance shafts at the front and rear of the motor.
  16. Pulling the pump is fairly easy. It is a good...

    Pulling the pump is fairly easy. It is a good idea to inspect it so I would pull it. They are known for only lasting 50 hours or so before they need to be rebuilt. A rebuild kit is fairly inexpensive...
  17. No I did not. Try swapping one of the fittings to...

    No I did not. Try swapping one of the fittings to see if the issue is the head or the fitting itself.
  18. I ordered my triple pisser kit from Skiworx last...

    I ordered my triple pisser kit from Skiworx last year and it also came with Husky air line hose. Mine is yellow but it is the same stuff. It worked perfectly.
  19. The nipples appear to be fine. From what I...

    The nipples appear to be fine. From what I understand the hose clamps are there just to hold the line on. Not to seal it. Which means to me the line is too stiff to seal against the petcock nipples....
  20. You should probably start a new thread about your...

    You should probably start a new thread about your issue. Or read this entire thread and you might find some great ideas about what to check first. A compression test is easy to do and only takes a...
  21. Replies
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    1,132

    If it is running that well and at those speeds I...

    If it is running that well and at those speeds I don't know if I would worry about it. Like kartracer said you could pull off the cylinder heads to inspect the cylinder walls and tops of the pistons....
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    I'm glad it worked out well. I'm happy for you. ...

    I'm glad it worked out well. I'm happy for you.

    With that said there are plenty of amazing people on these forums. They are just trying to give you advice from all their experience with these...
  23. Replies
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    2,596

    The problem is that they may run great on the...

    The problem is that they may run great on the trailer but once the pump is under a load in the water it may not. There are so many things that could be wrong. I bought my first ski this spring...
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    I have also recently gotten into the STX-R/Ultra...

    I have also recently gotten into the STX-R/Ultra 150 skis. They have the same motor. It is common that they can be hard to start. Everyone here recommends installing a primer kit to fix the issue. I...
  25. All I can say is I am very sorry guys. I am an...

    All I can say is I am very sorry guys. I am an idiot. I am going to water test it now. I thought the throttle cable was not being pulled but when I removed the bracket the ski would not stay running....
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