Clunk under seat...what is it?
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Thread: Clunk under seat...what is it?

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    Senior Member ZacoWacko's Avatar
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    Clunk under seat...what is it?

    So when bouncing up and down on the bike (or going over bumps), i get a clunk, which sounds like its coming from under the seat. I think at least. Hard to tell when you are on the bike. I'm thinking rear shock, but, was wondering if anyone has had this before.

    Somewhere i have a video of it, i'll try and get up later, hopefully. Lol

  2. #2
    Senior Member Gastone165's Avatar
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    Possibly the battery is not secured or the bushings on the shock are worn out.
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    Senior Member buellzebub's Avatar
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    Could be lower shock mount, it's just a plain pin through 2 thin lugs on the swingarm. But check also that the top mounting bolt is tight.
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    GOF
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    Senior Member GOF's Avatar
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    Unlike your girlfriend it is ok to have a buddy jump up and down on her while you watch.

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    Senior Member GaryL's Avatar
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    Make sure all of your motor mounting bolts are secure. There should be a rubber pad under the rear fuel tank mounting bolt. Any such clunking should be seriously investigated and the source found before you do much riding.

    GaryL
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    Senior Member ZacoWacko's Avatar
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    I'm thinking possibly shock too. I looked and tried to move it by hand and all seemed good. I didnt think to look at the tank. I did switch my tank to an xt tank, so i'll look there again. Also check the motor mounts. Been too cold to ride it anywhere but around the field, so no long trips planned. Did have fun in the snow the other day.

  8. #7
    Senior Member ZacoWacko's Avatar
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    Not sure if this will work or not. Let me know if you can see video from this link

    https://photos.app.goo.gl/XD9BkB3vbcwk96Jq8
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  9. #8
    Senior Member Rickhem's Avatar
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    Ive experienced this same clunk noise as well. It sounds to me like there is something loose under the tank that pops up and taps it when going over a bump. Only happens when there is a lot of force hitting the bump, not little ones.
    I thought about it being the battery, but it doesn't seem like that to me (could be though). I've checked for anything loose and not found anything that could be making the noise. I've even thought it might be a cable slapping against something metal (clunk sounds like metal contact to me) but that doesn't seem to be it either.
    Still a mystery on my bike, let us know if you discover anything.
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  10. #9
    Senior Member GaryL's Avatar
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    Quote Originally Posted by ZacoWacko View Post
    Not sure if this will work or not. Let me know if you can see video from this link

    https://photos.app.goo.gl/XD9BkB3vbcwk96Jq8
    Video works without sound. I can't see from here what might be causing the clunk. Some members have had issues with the steering bearings in the tree going bad and reported clunking. I think I would remove the tank and try your hop test again without the tank.

    GaryL
    Be Decisive! Right or Wrong just make a decision. ​ The road of life is paved with flat squirrels that couldn't make a decision.

    Since light travels faster than sound, some people appear bright until you hear them speak.
    If I agreed with you, we'd both be wrong.

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  11. #10
    Super Moderator Purple's Avatar
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    Unless it's the forks - but that's more like a "clack" .....
    (Warning - Forum may contain nuts) ...... Hidden Content

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