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    Mine as follows Solas DF 14/20 New wear ring...

    Mine as follows

    Solas DF 14/20
    New wear ring
    R&D intake
    R&D pump seal kit and all surfaces sealed too
    R&D ride plate with jims performance cut to go on soon
    Riva Air filter
    Riva throttle...
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    They aren’t as clunky in the water with the drivetrain loaded up. Don’t worry about it. Worry more about the oil level being right and all will be well. They aren’t used as hire skis all over the...
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    Same basic engine as mine. Very familiar idle...

    Same basic engine as mine. Very familiar idle sound.


    https://photos.app.goo.gl/AtFkqbK29mjRBXGA8
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    Sounds like any other MR1 I’ve heard out the water and with seat off. Wouldn’t worry about it.
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    Probably not. Perhaps only worth it if you get...

    Probably not. Perhaps only worth it if you get one cheap...or even better, do all the rest of the mods to complement it.
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    I’m in the U.K. the local Yamaha dealer sends them to the Netherlands for refurb, I’m almost sure.
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    I definitely remember reading or watching...

    I definitely remember reading or watching something on this. It’s to do with the bilge pump wiring getting corroded or similar. Might have been on YouTube. Exact same thing you described
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    Hi
    I’m pretty sure that it will need replaced or refurbed. The issue is usually that the ecu fails with earthing or intermittent earthing on the fuel system control. The signal to open or close gets...
  9. Hi Are you sure your wear ring to prop clearance...

    Hi
    Are you sure your wear ring to prop clearance isn’t just out of tolerance ?
    If not, I got a r&d pump seal kit for mine and sealed up all the surfaces with sealant. Made a big difference. Along...
  10. Not sure about some of the replies. As far as I...

    Not sure about some of the replies.
    As far as I know, there are 3 versions of the MR1 1100cc engine. All are 4 cylinder engines but with different variations of inductions and performance. They...
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    Hi Forgive me for asking, but presumably you...

    Hi

    Forgive me for asking, but presumably you aren’t guilty of the usual oil overfilling issue that this engine sees all too often ?
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    Hi
    It isn’t doing 50 at 4000rpm for sure.
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    Easily just the same way it came off...but use...

    Easily just the same way it came off...but use anti seize stuff on the bolts for sure. Helps to seal up any surfaces too. If you’re fussy about performance fill in the voids on the casting too. Don’t...
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    Impossible numbers. Check your gauge

    Impossible numbers. Check your gauge
  15. As far as I know the hull changed in 2006...then...

    As far as I know the hull changed in 2006...then late 2008/09 to nano then again in 2012 maybe...then at least once maybe twice after that.
  16. Thread: 2005 FXHO

    by QBhoy
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    Fresh oil and filter twice a year or 50 hours I’d say. You can only get half the oil out each oil change. So always mixing old oil.
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    Go for it. After checking what I said. Engines...

    Go for it. After checking what I said. Engines are strong usually.
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    Great engines but a few things to know or look...

    Great engines but a few things to know or look for.
    Compression should be at least 170 or preferably over on a healthy engine using a known good gauge. Common issue is over fuelling with a bad ecu...
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    It does...but I can’t see the fuel leaking out the injectors. You’d also think that if one or two were sticking open...then the full throttle performance wouldn’t be affected ? It would be full open...
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    Hi Had one myself. Few things in my opinion;...

    Hi
    Had one myself. Few things in my opinion;
    Rebuild the top end every 100 hours or it will fail in an expensive way.
    Power valves are known to clip the piston on occasion. Need to sometimes make...
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    Further info. It has certainly lost pick up...

    Further info.
    It has certainly lost pick up performance and is struggling to do 60/61 at best gps. Used to be a 64mph gps machine all day long.
    Sometimes it’s that bad that it will struggle to do...
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    FxHO MR1 over fuelling causes ?

    Hi

    So my ski is overfuelling at low rpm and causing it to big and all other side effects.
    I’m well aware of the usual cause of this with these engines. As in the ecu well known tendency to leave...
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    Hi. Used to have the same engine in a GP800r. As...

    Hi. Used to have the same engine in a GP800r. As mentioned below 100 psi is due for a top end. After a rebuild it should be about 120 psi generally.
    General advice says every 100 hours for a top...
  24. Thread: Running rich

    by QBhoy
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    I have the same issue. Can’t see injectors leaking presently but over fuelling on all cylinders.
  25. Thread: Trim level

    by QBhoy
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    You’ll defo go quicker with the nozzle trimmed up. More hull out the water.
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