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Type: Posts; User: BMist371

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  1. Replies
    43
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    2,683

    Love it. No issues with it so far. Lots of...

    Love it. No issues with it so far. Lots of supercharger whine. I didn't even remove the factory intake except for the small piece going into the supercharger so it's a super fast swap back to stock...
  2. Replies
    9
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    445

    Definitely sounds like heat soak! Intercooler...

    Definitely sounds like heat soak! Intercooler time!
  3. Replies
    9
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    445

    You won't get much past that without the intake....

    You won't get much past that without the intake. Heat fade is a rather large problem with the intercooler too. Seems about how my RXT X acted with just a SCOM.
  4. Replies
    185
    Views
    15,181

    I agree that the old ones were more robust. My 05...

    I agree that the old ones were more robust. My 05 RXT sunk completely due to blowing off a hose and it cranked right away after some wd-40 down the spark plug holes and still runs like a champ to...
  5. Replies
    8
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    313

    Any tune requirement for that part? I'm still...

    Any tune requirement for that part? I'm still running a SCOM at this point.
  6. Replies
    8
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    313

    Sounds like a nice job for water wetter or purple...

    Sounds like a nice job for water wetter or purple ice....I just always notice a power fade after the ski heats up. Not sure whether it's engine cooling or intercooler related. But the rpms will hit...
  7. Replies
    8
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    313

    Thermostat or cooling options?

    Are there any improved thermostats for the 300 closed loop system on my 2019 RXT X? Or is the Riva 300 open loop kit the only option for improved cooling?
  8. Sticky: Valve part number is changed for 2019. Cam part...

    Valve part number is changed for 2019. Cam part number changed for 2018, but 2018's don't have the valve issues.
  9. Replies
    3
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    222

    I wouldn't push the stock retainers past 8300rpm....

    I wouldn't push the stock retainers past 8300rpm. Wave jumping a modified ski that has the rev limiter removed with a factory valvetrain is asking to chew up a valve and piston and potentially lock...
  10. Replies
    5
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    182

    Sure would be cool if we could get some prop...

    Sure would be cool if we could get some prop measurements from that stock 79mph prop!

    Edit: First 70ish degree day today and it magically runs better. Saw 79mph today and even got it to register...
  11. Replies
    5
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    182

    It has been super hot here. I haven't seen under...

    It has been super hot here. I haven't seen under 85 degrees yet. It runs about 76 dash in that weather with intake/exhaust/catch can/scom.
  12. Replies
    5
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    182

    If you are seeing 79 Dash with just a SCOM, id...

    If you are seeing 79 Dash with just a SCOM, id keep your stock prop. I couldn't ever get the dash past 73 with SCOM only. Sounds like a factory freak.
  13. Replies
    22
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    1,067

    I want to do a cam too, but I'm just not to that...

    I want to do a cam too, but I'm just not to that point yet.
  14. Replies
    22
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    1,067

    This is exactly what I was looking for. I didnt...

    This is exactly what I was looking for. I didnt see the point at 11 hours having guides and seats redone. I can swap the valves, springs, retainers, and maybe stem seals and call it a day. Probably...
  15. Replies
    22
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    1,067

    I'm mainly doing mine because I only have a 1...

    I'm mainly doing mine because I only have a 1 year warranty and I bought the ski with the intent to modify it. I can't rely on the warranty or the factory valves at this point with so many confirmed...
  16. Replies
    22
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    1,067

    Ill look into it. I wasn't really looking to do...

    Ill look into it. I wasn't really looking to do any porting, just upgrading parts, so I may do it by myself.
  17. Replies
    22
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    1,067

    Any link for Eastside?

    Any link for Eastside?
  18. Replies
    22
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    1,067

    2019 300 valves

    After all of the talk of 2019 RXT X's dropping valves, I have finally decided to be proactive and pull the head in the off season. Supertech springs and retainers are a given, but which valves do you...
  19. Replies
    17
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    1,975

    If I ride in sport mode, I get the 2 bar gas...

    If I ride in sport mode, I get the 2 bar gas warning after about an hour tops. I figure that it's just normal. The tank is small and the motor is huge.
  20. Replies
    37
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    2,385

    Makes me want some aftermarket valves for sure!

    Makes me want some aftermarket valves for sure!
  21. Replies
    37
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    2,385

    The TX received a new valve part number for 2019...

    The TX received a new valve part number for 2019 and a few ski's have dropped valves on #1 piston. Hard to say if it's a limited issue or the entire model year. Springs and retainers have not fixed...
  22. Replies
    23
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    1,034

    I have a 2019 RXT X 300. No issues with the ski...

    I have a 2019 RXT X 300. No issues with the ski itself so far. Had some SCOM troubles, but those seem to be Riva issues with the SCOM not working properly. I would recommend buying the 2020 model...
  23. Replies
    31
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    2,647

    I wonder if we get a recall, if I buy some...

    I wonder if we get a recall, if I buy some supertech valves, they'll throw them in for me for free.....The dealer could have a free set of factory 300 valves....
  24. Replies
    31
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    2,647

    Im out of reasonably simple fixes then. Sounds...

    Im out of reasonably simple fixes then. Sounds like a new cam profile must be the issue if springs and retainers aren't helping it. Hard to imagine that a simple valve alone could do that. This is...
  25. Replies
    17
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    951

    My power seems to vary a lot as well depending on...

    My power seems to vary a lot as well depending on the day. I think an intercooler might make things more reliable on any given day.
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