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Thread: Vibrations,reasons and remedy?

  1. #1
    Rusted RanjithMN's Avatar
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    Default Vibrations,reasons and remedy?

    What exactly is the reason for our motorcycles to start vibrating?esp, foot-pegs and handle bars?
    im not referring to bikes that have vibrations from the showroom itself but bikes that start vibrating later on!
    is it due to some loose nuts and bolts?any specific ones?

    thank you
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    Rusted Aryan's Avatar
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    Query Approved.
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    Addicted SunnyBoi's Avatar
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    Mounting rubbers go hard. Time to change them.

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    Rusted jd666's Avatar
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    ^ not just that a number of factors come into play..

    - the mounting nuts/bolts etc do loosen up slightly and need to be re-tightened from time to time.

    - Chain and sprockets start cutting and bedding in.. that eventually also adds to a lot of footrest vibration

    - Seals, bearings etc start wearing out.. You need to remember that in your single cylinder engine, its reciprocatory motion that gets converted to rotational.. so when the bearings and everything starts wearing out.. the vibes go up.

    - Eventually the rings also wear out beyond a certain limit and that adds to the vibrations ( the piston is free to move laterally )...


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    Rusted aargee's Avatar
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    Adding my 2 paise - cracked metals (experience from my rear bracket) & plastics, cotter pins
    Skill is what keeps you on a Motorcycle
    Awareness + Skill is what keeps you out of harm's way
    ATGATT + Awareness + Skill means you might Live To Ride another day

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    Seasoned Coplay@180's Avatar
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    +1 to JD666 and here's my 2 cents
    1. Broken fairings
    2. Loose fairings, gaps, no packing
    3. Broken plastic parts ( esp, under the seat and towards the tail)
    4. Mounting bolts loose. Etc.
    Never Argue with an Idiot !!!
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    Rusted RanjithMN's Avatar
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    tnx guys.
    Where is this "foundation bolt" and "center bolt" located?
    Smoke rubber,not tobacco.

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    -For HELLA/VALEO [BMW/AUDI/FORD/LINCOLN/SKODA],P220,Aftermarket Projectors,pls contact me!

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    Engine plays a major factor. On my first RX rebuild I saw the left web of the crank was from a RX135 and the right web was from a RX100. Junked it and bought a brand new crank. Vibes went down a lot, so did the weird wear pattern on the cylinder

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    Rusted aargee's Avatar
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    Quote Originally Posted by SunnyBoi View Post
    Engine plays a major factor. On my first RX rebuild I saw the left web of the crank was from a RX135 and the right web was from a RX100. Junked it and bought a brand new crank. Vibes went down a lot, so did the weird wear pattern on the cylinder
    WHOA!!! How could this Rx135 & Rx100 happen on a crankshaft?
    Skill is what keeps you on a Motorcycle
    Awareness + Skill is what keeps you out of harm's way
    ATGATT + Awareness + Skill means you might Live To Ride another day

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    Addicted SunnyBoi's Avatar
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    Well it happened and it ruined 2 oversizes on my cylinder. Opened the engine anyways since i felt the con rod play was a bit too much. Later realised this and went for a new crank.

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