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  1. #1

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    Improving the Reliability of a 2014 RXT-260

    I need to replace my FZS since the hull is not strong enough for my use. I am deciding between a RXT-260 and GTX-155 because I want the S3 hull. I know the 155 will be more reliable but I'm addicted to the power of a supercharged motor. Seeing that I have dreadfully bad luck (2 of the 5 Sea-Doos that I have owned have blown engines during the warranty period) what can I do to a RXT to reduce the chances of an engine failure? Keep in mind that the boat will only be used in salt water and will be laid up from May-December of each year. I am also planning on buying the boat from Riva so any modifications would be done by them before delivery of the unit.


  2. #2
    Tiny's Avatar
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    Ok, either I read your post wrong or I just dont understand....

    Where is there salt water near Minneapolis, Mn???

    Why is the ski going to sit all summer---May thru Dec????

    Why buy from Riva?? What mods are you going to have done???

  3. #3
    imp0ster's Avatar
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    Seriously don't buy it from riva. Do the intake and unlimit the top speed. Enjoy forever.

  4. #4

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    Quote Originally Posted by Tiny View Post
    Ok, either I read your post wrong or I just dont understand....

    Where is there salt water near Minneapolis, Mn???

    Why is the ski going to sit all summer---May thru Dec????

    Why buy from Riva?? What mods are you going to have done???
    Sorry, I forgot to mention that I vacation about 3 times during the winter in Fort Myers, FL. I ride a STX-15F here in Minneapolis and love the boat but I don't think the hull will handle the chop in the Gulf of Mexico very well. I have a house on Fort Myers Beach that I keep the boat at. The main problem I'm concerned about is a leaky intercooler. Since the boat will be laid up for long periods I don't want water sitting in the intake tract and corroding the internals of the engine. I am also concerned about misalignment of the pump causing the carbon seal to fail prematurely. I was thinking of buying from Riva because I am under the impression that they have more competent techs than dealers in the Fort Myers area. I don't shop for price am willing to pay to have the boat water tested and thoroughly inspected to reduce the chance of initial failures.

  5. #5
    imp0ster's Avatar
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    You can't let any craft sit 99% of the year.

  6. #6
    wotxxxsd's Avatar
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    Just use proper storage techniques when letting her sit that long.
    Fog the engine for sure.

  7. #7

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    Does the intake system have a port to insert the fogging oil between the intercooler and throttle body to prevent fouling of the cooler?

  8. #8
    SHOin OFF 02gpR's Avatar
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    I can help ya keep her running

  9. #9
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by pro1200 View Post
    Does the intake system have a port to insert the fogging oil between the intercooler and throttle body to prevent fouling of the cooler?
    that fogging port keeps the throttle body from seizing up. It does nothing for the intercooler.

    Upgrade to the Riva Gen3 intercooler which has a flush port on it so that you can flush the intercooler directly
    http://www.4-tecperformance.com/inde...oducts_id=1849

  10. #10

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    I like this intercooler a lot. It appears to be well thought out. What I meant about the fogging is I figured most of the oil would condense on the intercooler cooling tubes if it was sprayed in upstream of it. If this was the case would enough get through to protect the throttle body? On my Yamaha I spray oil in the port that the return hose from the catch can mounts to. This coats the supercharger impeller but does much get into the throttle body area? Does the Sea-Doo engine have a port before and after the intercooler? Maybe I should just look at the service manual for the RXT to see what the procedures are.

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