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  1. Replies
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    412

    pre 2010 had some head cracking issues which seem...

    pre 2010 had some head cracking issues which seem to be limited to skis that ran in cooler waters. Pump bearings absolutely need to be replaced and upgraded without fail. And the ogura supercharger...
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    123

    what specifically is bad? The throttle position...

    what specifically is bad? The throttle position sensors and idle air valve can both be replaced. Even a hole in the throttle body could be patched and machined. I’ve never seen a “bad” throttle body...
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    209

    The one port flushes both. You can change up the...

    The one port flushes both. You can change up the plumbing to flush the intercooler separately late if you like but the stock setup does both. One thing the manual does not emphasize but I’ll repeat...
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    5,879

    Picked up a new pair off of eBay for $35. I know...

    Picked up a new pair off of eBay for $35. I know Jerry was saying it was one of his favorite new features when the 2016’s came out. They really do make a world of difference with long term rides. The...
  5. Replies
    105
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    5,879

    Finished building the harness and it has...

    Finished building the harness and it has completely cured my hot start issue. I made the harness completely plug and play which was super convenient. No switches of buttons and is fully automatic....
  6. Thread: 14 rxpx 260 fs

    by dcuhpw
    Replies
    5
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    462

    FS If it was located on the west coast I would be...

    If it was located on the west coast I would be quite interested.
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    434

    I use a 50/50 salt away mix for deep cleaning. I...

    I use a 50/50 salt away mix for deep cleaning. I just fill the flush port directly with about a gallon of the mix and let it sit. After about 24hrs I flush it out. Works great for heavier build up....
  8. Replies
    33
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    2,769

    Getting really tired of seeing these carbon seal...

    Getting really tired of seeing these carbon seal posts. The bellows is like a rubber spring. If it heats up too much the bellow softens and no longer holds a tight seal against the hat. When it...
  9. The jet pump liners can swell with salt water and...

    The jet pump liners can swell with salt water and cause the impeller to seize. They can be replaced fairly easily.
  10. Replies
    105
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    5,879

    Not sure exactly how many hours were on this...

    Not sure exactly how many hours were on this engine. The bottom end looked very good though from a thorough visual inspection. Oil had probably been changed once I would say in the lifetime of the...
  11. Here’s the thing. There are a few major issues on...

    Here’s the thing. There are a few major issues on the 250X that should be addressed if you decide to keep it (which i would). Pump bearings: you’ll need to upgrade the pump to the newer style with...
  12. Replies
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    367

    And just note: be very careful when opening the...

    And just note: be very careful when opening the supercharger and follow the procedure carefully. Itís easy to damage the housing.
  13. Replies
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    367

    You can separate the case and remove the rotors....

    You can separate the case and remove the rotors. Just don’t remove the gears or you’ll have to re-clock them. There is a YouTube video from Kawi on disassembling these ogura superchargers. Once you...
  14. Replies
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    5,879

    Ski runs perfect and I can also comment that the...

    Ski runs perfect and I can also comment that the bedlined keel is working just fine with no ill effect. I do have the typical hot restart problem that I’m addressing now. Waiting for Sean’s feedback...
  15. Replies
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    881

    Seadoo used ceramic clutch washers in their early...

    Seadoo used ceramic clutch washers in their early model superchargers. I believe in 08 they changed to a new all metal clutch. The ceramic clutch washers were supposed to be able to handle the heat...
  16. Replies
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    881

    Very true. Pretty much all brands NA skis are...

    Very true. Pretty much all brands NA skis are fairly low maintenance (for a ski) and very reliable. I’ve heard the Yamaha mr1 engine wasn’t so great but the 1.8 is a solid engine. The kawi 1.5 brp...
  17. Thread: 2021 Rumors?

    by dcuhpw
    Replies
    54
    Views
    6,918

    https://watercraftjournal.com/gallery-kawasaki-eur...

    https://watercraftjournal.com/gallery-kawasaki-europe-reveals-2021-jetski-lineup-early/

    Bold new colors for 2021...
  18. Replies
    19
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    881

    With a factory service manual I would have to say...

    With a factory service manual I would have to say they are all about the same to work on. Each ski will have things that are easier and harder than the other. Supercharged skis are plenty fun but if...
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    View Post

    I donít think anyone ever said that we didnít like our ultras. You just received some realistic first hand feedback of what to expect. If you have the option to go test one out than do that and see...
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    5,879

    The end is in sight! ...

    The end is in sight!


    http://greenhulk.net/forums/attachment.php?attachmentid=465442&stc=1
  21. Thread: 2021 Rumors?

    by dcuhpw
    Replies
    54
    Views
    6,918

    [QUOTE=Chris288;3087996]13 years later there...

    [QUOTE=Chris288;3087996]13 years later there still isn't a better offshore hull than the ultra,,, it most certainly is the king. which ski do you think surpassed its rough water prowess ? There isnt...
  22. Replies
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    249

    Just found it. Its referenced as crankshaft side...

    Just found it. Its referenced as crankshaft side play. Spec is between .002-.0094 with service limit at .017. That's a really big range! Suffice it to say, my .0035-.004 is well withing factory spec....
  23. Thread: 2020 310r

    by dcuhpw
    Replies
    4
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    518

    Yeah, she has the faster ski. 10 more HP doesn’t...

    Yeah, she has the faster ski. 10 more HP doesn’t make up for all the extra weight and the deep hull design.
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    There may be fuel in your oil that makes it look...

    There may be fuel in your oil that makes it look like it has been overfilled. I run vr1 racing oil 20w-50. Look at the sticky threads for proper oil level when you change it out. It’s been...
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    The whole issue is the rear bearing. If rear...

    The whole issue is the rear bearing. If rear bearing fails, the impeller shaft will allow the impeller to slide back towards the engine. Essentially the thrust from the impeller at the end of the...
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