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Type: Posts; User: Green Hulk

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  1. Sticky: If you have a 230 or 300 HP Supercharger and it fails, what next?

    These superchargers are called “maintenance free” by Seadoo so Sea Doo doesn’t offer rebuild parts for them. Fortunately our friends at Rotax Racing provides a kit and that kit is available right...
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    Sea Doo Seal Shield

    The Seal Shield (patent pending) is for all 2018+ Sea-Doo PWC models with ST3 hull.



    https://www.4-tecperformance.com/images/sealshied.jpg
    Sea Doo Seal Shield

    ...
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    Do your research! You will see from your research...

    Do your research! You will see from your research that blow off valves on the Seadoo skis are not needed, on the Yamaha skis with a sprag clutch, yes, they are needed.

    You will get the BEST...
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    Trust me when I tell you, tuning your ski, even...

    Trust me when I tell you, tuning your ski, even with a simple MaptunerX stage 1 tune is going to give a mind blowing difference to your acceleration and top speed. It will be the BEST money you ever...
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    Isa, that's because his valve lash was not...

    Isa, that's because his valve lash was not shimmed properly. It doesn't matter which brand retainers you use, if you do not shim the valves properly you will break retainers. The fastest skis in the...
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    He's all over the limiter now at 8180. He needs...

    He's all over the limiter now at 8180. He needs more pitch. If the 15/22 is too much he can simply depitch the trailing edge like I advised him to do

    [COLOR=#333333]
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    That's the absolute worst BOV you can put on any...

    That's the absolute worst BOV you can put on any ski. You are much better off without it.
    It's not recommend to run a BOV on a Sea Doo anyway. It's not needed due the the slip clutch design of the...
  8. Thread: Yamaha 2018

    by Green Hulk
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    This is actually a popular upgrade for the 2017...

    This is actually a popular upgrade for the 2017 and older guys. There is no performance gain on a cold engine. The benefit is the manifold is plastic and won't heat soak like the older aluminum...
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    I assume you have an FX SVHO and not a GP SVHO?...

    I assume you have an FX SVHO and not a GP SVHO?
    You will NOT gain 7 mph on the 2019-2020 FX SVHO if you don't also do the ride plate. The stock 2019+ FX stock ride plate actually slows the ski down...
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    Correct! The RIVA rising rate fuel pressure...

    Correct! The RIVA rising rate fuel pressure regulator I linked you to comes pre set, but it's good to always check it once installed on the ski.
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    In that cool water, yes! your engine is running...

    In that cool water, yes! your engine is running lean. You need the rising rate fuel pressure regulator. In your cooler climate you may be able to use the 15/22. If RPM is too low simply depitch the...
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    Your 14/19 is not enough and your running the...

    Your 14/19 is not enough and your running the engine on the rev limiter at 8180. The correct impeller for you is a 15/20R
    In your cooler riding area in Lithuania you absolutely need the RRFPR.
    Your...
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    Trust me when I tell you that RIVA did everything...

    Trust me when I tell you that RIVA did everything possible to try and help this guy, but he’d rather put them on blast to draw attention to himself and his YouTube. channel.
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    RIVA bent over backwards to help that guy. He...

    RIVA bent over backwards to help that guy. He gets more attention and Youtube followers by bad mouthing RIVA.
    Do you honestly believe a company like RIVA turns their back on their customers? NO WAY!...
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    It's not the outside water temp you need to worry...

    It's not the outside water temp you need to worry about. The temp under the seat gets to be 165 degrees +
    Keep in mind your engine is operating at 180 degrees, and can get hotter under prolonged...
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    It absolutely depends on supporting...

    It absolutely depends on supporting modifications, elevation of your riding area, and many other factors as I mentioned in the above post. V-Tech/RIVA Maptuner tunes are the same.
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    On the Riva kits not meeting expectations. There...

    On the Riva kits not meeting expectations. There are MANY variables. Elevation and temperature plays huge a huge role in a skis performance. A ski at 1000' elevation isn't going to make the power a...
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    When the pump is tightened in place against the...

    When the pump is tightened in place against the transom plate the wear ring does not move or rotate.. it's clamped down. Yamaha most certainly knows what they're doing and there is absolutely no need...
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    If you are going to run that little strainer keep...

    If you are going to run that little strainer keep a close eye on it. It likely can't handle the pump pressure this Yamaha pump puts out.
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    https://www.4-tecperformance.com/images/ry1013_sdf...

    https://www.4-tecperformance.com/images/ry1013_sdf_uk.jpg
    Intercooler Water Filter Kit, Universal Sand/Debris; ALL PWC
    Universal Water Filter/Strainer Kit protects your intercooler from damage &...
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    Care to elaborate on that? Every ski I've...

    Care to elaborate on that? Every ski I've installed a RIVA maptunerX tune on gained big speed, as well as anyone else that's installed these tunes. If your ski went slower then the ski has some sort...
  22. I have not heard of that one, or heard of anyone...

    I have not heard of that one, or heard of anyone using it, but the CandooPro diagnostic system for Yamaha is top notch and has the best customer service in the industry. Can't go wrong with CandooPro...
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    The very next upgrade should be the MaptunerX...

    The very next upgrade should be the MaptunerX reflash. Remove your SCOM.
    Then do a 4" air intake and Solas 15/20R impeller



    https://www.4-tecperformance.com/images/F144792715.jpg
    RIVA...
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    The SCOM is not needed once you reflash the ECU...

    The SCOM is not needed once you reflash the ECU as the reflash eliminates the speed limiter.
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    There are a few that can't, but most can be...

    There are a few that can't, but most can be tuned. Your ECU unfortunately had an off the wall firmware version on it and couldn't be tuned.
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