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  1. Replies
    21
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    764

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    I’ve discussed this in another thread somewhere, but the easiest conversion formula to use, is the typical oil change intervals as the common denominator.
    For example, a gasoline car would be every...
  2. Thread: HRs to Miles

    by K447
    Replies
    21
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    764

    Supercharged engine or non-supercharged? ...

    Supercharged engine or non-supercharged?

    General theme seems to be that hundreds of running hours, perhaps well over one thousand running hours, is not surprising for a non-supercharged current...
  3. Replies
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    3,502

    The 14/21 is for the FX skis, not for the GP...

    The 14/21 is for the FX skis, not for the GP skis. as far as I know.
    The exhaust is not supposed to do anything, I just did the TJ mod because its free and adds a little sound, but not too much
  4. Deka ETX16L

    Deka ETX16L
  5. The stand alone bluetooth speakers loudness are...

    The stand alone bluetooth speakers loudness are good if docked or idling only.
    For around $900 you can get a Marine JL Audio setup that works on the GP1800.
    MBT -CRXv2 Bluetooth Controller $98...
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    838

    Wow! That’s ugly. Is that what salt air does? Or...

    Wow! That’s ugly. Is that what salt air does? Or was there some kind of leak? Hmmm....
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    2,781

    If indeed your original clutch has begun to slip,...

    If indeed your original clutch has begun to slip, your use description still seems like a match for the factory clutch. Despite the apparent ‘early’ failure, I do not see a reason for the Yamaha...
  8. I read your long story, and FWIW Yamaha likely...

    I read your long story, and FWIW Yamaha likely still rules.
    I had a similar experience involving a motorcycle wheel that I knew to be improperly honed boss landings where the disc rotor attaches to...
  9. Replies
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    2,248

    I did a slower acceleration run trying to get...

    I did a slower acceleration run trying to get more accurate boost #'s.



    RPM
    MAP
    Boost
    1011mb
  10. Replies
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    I’m guessing you meant to put a smile fact...

    I’m guessing you meant to put a smile fact because those numbers are perfect. O:)
  11. Thread: Regretting 13/18

    by FZeeR
    Replies
    28
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    2,693

    In my experience if you’re running under 8500ish...

    In my experience if you’re running under 8500ish rpm you’re not in peak power on stock wheel or any wheel for that matter and a steeper pitch will slow you down while decreasing your rpm for sure. I...
  12. Thread: Regretting 13/18

    by d00m
    Replies
    28
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    2,693

    Yeah, i was the same when i first got my ski but...

    Yeah, i was the same when i first got my ski but i learned quickly that theres a big difference between the two. If you want better acceleration but same top speed, 2 proven mods are VXR/FX-HO cams...
  13. Replies
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    1,119

    Yes you can cut it but make sure the ski is...

    Yes you can cut it but make sure the ski is totally off and shut down. Youre going to cut that cable and could contact both power and ground wires and want to make sure you don't cause a short which...
  14. Replies
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    1,195

    Yes, the GP1800/VXR hood open latch (mine is a...

    Yes, the GP1800/VXR hood open latch (mine is a 2017) does prevent the upper hood section from being lifted off. There are two stubby plastic ‘pins’ at the base of the handle (one on each side) that...
  15. Replies
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    1,419

    I had the Worx sponsons on my GP1800 for two...

    I had the Worx sponsons on my GP1800 for two rides before removing them. They were very aggressive in low position or tame in upper position. I noticed that the ski was a bit less stable with a...
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    The 13/20 can give you more top end, just like...

    The 13/20 can give you more top end, just like you would think, however these supercharged engines develop more boost as the rpm goes up so many of the guys wanting to go faster use an impeller with...
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    I totally agree. The RIVA ride plate made a huge...

    I totally agree. The RIVA ride plate made a huge big difference in the way the ski rode and handled. If you don’t want to spend 250 for the RIVA you can pick up and 2019 plate for a fraction of the...
  18. Guys, a water cooled supercharger will do little...

    Guys, a water cooled supercharger will do little to nothing for us. This is why R&D discontinued theirs. The air exiting the supercharger is moving way too fast to be cooled the least bit by a water...
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    Badazz445350

    Badazz445350
  20. Replies
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    Of course I joking, I think this thread is...

    Of course I joking, I think this thread is getting derailed. Although I own Seadoos, I say this without bias, I admit Yahama has some badass skis and fastest hulls ons the market. Grudge racing on...
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