Is it normal hearing flicking sound when reduce speed?

Discussion in 'Mechanics Garage' started by VFR714, May 8, 2016.

  1. VFR714

    VFR714 New Member

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    Hi all,

    I notice when I reduce speed I'm hearing flicking sound but won't hear it if pull clutch . What do you think?

    Thanks
    Tony
     


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  2. Underoath87

    Underoath87 New Member

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    Could you be more specific?
    Describe the sound better.
    Where is it coming from?
    Is it only at closed throttle?
    In what gear?
    Is your chain loose?
     


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  3. VFR714

    VFR714 New Member

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    Sound like a metal wire tab on wheel spokes. Sound comes from left hand side, I think in front of engine, look down when riding.
     


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  4. Underoath87

    Underoath87 New Member

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    A loose chain is the most likely culprit, so check that first.
    After that, it gets much more complicated...
    Does this sound continue at idle in neutral?
    What about when shifted into neutral and moving, with the clutch out?
     


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  5. VFR714

    VFR714 New Member

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    I only heard it when reduce speed. I don't hear it when squeeze clutch in, shift gears or neutral.
     


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  6. Terry Smith

    Terry Smith Member

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    Might be the flapper valve on the airbox opening and closing. From memory the flapper closes under 5500rpm, but stays open in gear with the clutch in. If the clutch microswitch gets some dirt in it and makes intermittent contact, the solenoid that drives the flapper will buzz and click sometimes. If you pull the wires off the switch you can see if the noise goes away (will mean you can't start the bike in gear too).
     


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  7. VFR714

    VFR714 New Member

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    Sound like something I can do myself.

    Thank you all have a great mother day,

    Tony
     


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  8. VFR714

    VFR714 New Member

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    Want to update this thread. It sounds like new chain. Replaced new chain and it's gone :)
     


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