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Megelli 250r Vibration and Acceleration Problem

Discussion in 'Megelli 250cc' started by YungUn, Jan 8, 2014.

  1. YungUn

    YungUn Member

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    Hi, I just bought a second hand Megelli 250r and I have no experience with this bike before this. It vibrates and rattles when I stop in traffic light. I can clearly hear the engine spinning or something. I figured out that some of the rattling noise was cause by the vibration in the exhaust pipe. I then tied the exhaust pipe to the frame tightly and it solved the noise, but still not the vibration.
    The other problem is the acceleration is really slow. In traffic light I cant even match the acceleration of other cars beside me when the light turns green. And the gears switching need to be really quick from first gear all the way to fifth, otherwise the engine will just scream but no acceleration. It feels really odd.
    Does anyone know is all this normal or I need to send my bike to service.
     
    YungUn, Jan 8, 2014
    #1
  2. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Could b the clutch slipping. I think you may need some service advice.
     
    Murdo, Jan 8, 2014
    #2
  3. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Im with Murdo on the acceleration problem .... slipping clutch

    With the vibration .... bit hard to tell without hearing/seeing it
    Could be something internally with the motor..... not a good thing.
    Firstly though I would make sure all the bolts/nuts on the engine mounts to the frame are there and secure
    And also the header pipe (exhaust ) is secure and tight to the motor
     
    GreyImport, Jan 8, 2014
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  4. cal

    cal Well-Known Member Premium Member

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    yeah, pull out that clutch it sounds fried.

    - and yes, if it a deep "clunk" noise that's consistent, got some bad news for you bro

    - also could pay to check out the ignition lead and coil, as these bikes seem to have consistent problems with the OeM parts. a really weak spark could be snuffing out lots of power.
     
    cal, Jan 8, 2014
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  5. kiffsta

    kiffsta Senior Member

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    You can try calling Shin at Motorsports Importers, he is the guru of all things Megelli and may be able to advise the best course action for you

    For any enquires or further information, please contact us on (02) 8785 1444 (Monday - Friday 8:30am - 5:00pm EST).
    For International callers: +61 2 8785 1444.
    Phone: (02) 8785 1444
    Fax: (02) 9605 7582
    Email: info@motorsportimporters.com.au
    Address: Unit 1/33 Memorial Avenue, Ingleburn NSW 2565
     
    kiffsta, Jan 8, 2014
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  6. Willrcr15

    Willrcr15 Well-Known Member

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    Don't forget to change the oil & filter at the same time as the new clutch, sounds like there could be some fine metal filings in there with the clutch that bad.
     
    Willrcr15, Jan 8, 2014
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