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Type: Posts; User: pro1200

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  1. Replies
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    156

    Yep, the plowing on the STX hull at no wake...

    Yep, the plowing on the STX hull at no wake speeds is real and annoying. If I don't have a passenger I just sit further back on the seat. Once on plane it performs fine IMO, there is no need to...
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    2,240

    An engine should never be run at high speed with...

    An engine should never be run at high speed with no load. It also proves nothing-any engine will reach peak RPM without a load and also there is no need to blow the water out of the exhaust system.
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    179

    Why is the 15F priced $100 more than the 160? ...

    Why is the 15F priced $100 more than the 160? They made a lot of improvements in the ergonomics of the top deck of the 160 while keeping the tried and true design of the running (bottom) of the...
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    If you don't have cavitation on launch and you're...

    If you don't have cavitation on launch and you're seeing the top speed you expect I don't think there's anything wrong with the ski. In stock form I think they hook up fine.
  5. I'm no expert but I have owned 3 different...

    I'm no expert but I have owned 3 different STX-15F skis. I have Beach House sponsons on my 2004 factory race ski, I had a '12 that I put Worx sponsons and a Shredmaster ride plate on and a stock '15...
  6. The engine heat is removed by coolant which...

    The engine heat is removed by coolant which circulates through the ride plate. It never sees "raw" water. The other source of heat is the exhaust system (and the intercooler if the machine comes...
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    527

    Does the ring/bellow assembly wobble when the...

    Does the ring/bellow assembly wobble when the engine is started? Do you have cavitation on the launch? If not, you're probably fine but be aware of operating symtoms.
  8. Replies
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    599

    The crank position sensor is mounted in a cover...

    The crank position sensor is mounted in a cover on the front of the engine. I just installed a new one and my symptoms didn't change. In fact, it's worse as now it won't fire at all. I'm trying to...
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    320

    I wouldn't be too quick to blame the humidity for...

    I wouldn't be too quick to blame the humidity for that large of a swing in power. The reason I say this is because I had a similar sounding power loss on my '17 RXT-260 that was intermittent and it...
  10. I went through this last summer on my '15 15F and...

    I went through this last summer on my '15 15F and it took my independent tech many hours to figure it out. My stalling was intermittent and at first it only died when the throttle was snapped shut...
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    599

    Longer... I may have the fix to your issue in a...

    Longer... I may have the fix to your issue in a couple of days. Your starting issue sounds exactly like the one I'm having with the modified engine in my racing 15F. I don't think it has anything...
  12. Is the ski modified with performance enhancing...

    Is the ski modified with performance enhancing components? If so, 200 hours may be a lot, but if the maintenance has performed properly that isn't an unusual amount of use.
  13. WOW! I thought I had bad luck. You've got me...

    WOW! I thought I had bad luck. You've got me beat and I'm really sorry to hear this. There is no easy way to get through this. I hope the tech that put your battery in isn't the one that is going...
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    The '20 GTR has Linq, Bluetooth, and an upgraded...

    The '20 GTR has Linq, Bluetooth, and an upgraded engine. If you value these things and want to spend that kind of money it is a compelling package. The performance of the new GTI hull is an unknown...
  15. Thread: 2020 rxt-x300

    by pro1200
    Replies
    7
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    476

    You could spend hours of research on this forum...

    You could spend hours of research on this forum trying to understand why the carbon seal fails. I have gone through 5 of them in 325 hours on my '17 RXT-260 and it wasn't until my independent...
  16. I have never found a method to get a consistent...

    I have never found a method to get a consistent oil level reading on my '17 RXT-260. I have overfilled it when trying to fill it to the top bend on the stick so now I shoot for a reading in the...
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    215

    Absolutely! This is designed for the Rotax two...

    Absolutely! This is designed for the Rotax two stroke engine that is in your ski. Is there a reason why you're asking?
  18. Sean- The only sensor I've tested so far is the...

    Sean- The only sensor I've tested so far is the crank position sensor and that failed the resistance check. The spec is about 400-600 ohm and it measured over 3k ohms. The manual says to measure...
  19. Sean-Thanks for the insight. I also thought of...

    Sean-Thanks for the insight. I also thought of the possibility that there was too much timing in the cranking mode. That is one of the main reasons I had you burn a new ECU. What other inputs...
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    Any marine grade 100% silicone will work. The...

    Any marine grade 100% silicone will work. The Right Stuff is also excellent but it's more expensive. Also, the plate only needs to be sealed where it meets the jet pump as this is where air can be...
  21. Oleg- You are describing the EXACT symptoms that...

    Oleg- You are describing the EXACT symptoms that my STX-15F race ski has. I have been fighting a starting issue for over two years now. My symptom is the starter stalls but I can sometimes get the...
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    I can't remember since I put it on my 2009 FZS. ...

    I can't remember since I put it on my 2009 FZS. My guess is that it was a HydroTurf or Jettrim product.
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    Yes, this is the right stuff. If you look at the...

    Yes, this is the right stuff. If you look at the sticker on the back of the gallon jug there is a circular diagram that shows that it is a full synthetic designed for the E-TEC, DI, SDI, RFI, and...
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    It looks like the ski hit a trailer frame while...

    It looks like the ski hit a trailer frame while loading. The chip won't affect the handling and the ride height in the water looks normal to me. The STX hull rides lower than most and it will...
  25. mav7-I feel your pain, I really do. I've been...

    mav7-I feel your pain, I really do. I've been trying to keep new Sea-Doos running in the ocean since about 2014 and have made countless trips to the dealer to keep them operational. My advice is to...
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