Alternative idle speed adjust

Discussion in '5th Generation 1998-2001' started by IvanGrozni, Apr 23, 2018.

  1. IvanGrozni

    IvanGrozni New Member

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    Hi all,

    // VFR800 99
    Yesterday I was trying to adjust my idle speed but to my horror I discovered that the adjust bolt and the whole thingy which holds it is missing.
    Does anybody know of alternative way to do this?

    Thanks!
     
  2. Terry Smith

    Terry Smith Member

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    The idle adjuster screw pushes in on the start valve lifter plate; the screw is just a plain steel screw with a spring and bushing to keep it from vibrating loose ($6.75 on Partzilla). Are you saying that you are missing the starter valve lifter plate as well? If so, I think you will need to get a used set off eBay, as that looks to be unavailable new.
     
  3. IvanGrozni

    IvanGrozni New Member

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  4. Darth Vader

    Darth Vader New Member

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    No.2 pulls on the starter valves to allow air to pass for starting and the idle adjuster screw pulls on this plate a little for idle speed. If your plate is missing you will not get the valves synced or the idle speed correct. Has it come loose and fallen down ? EBay is your friend here a scabby set of throttle bodies can be had quite cheaply
     
  5. Terry Smith

    Terry Smith Member

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  6. IvanGrozni

    IvanGrozni New Member

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  7. Darth Vader

    Darth Vader New Member

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    It should look like this but yours has broken off. Im afraid you need another throttle body assembly
     

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  8. GreginDenver

    GreginDenver New Member

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    Much easier to see when you don't have a motorcycle wrapped around it.
     
  9. IvanGrozni

    IvanGrozni New Member

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    Here is what I finally did. Cheap af and works perfectly :)

    IMG_20180516_191516145.jpg IMG_20180516_191544022.jpg
     
  10. Darth Vader

    Darth Vader New Member

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    A bit " out of the box " but a good fix.
    Get those starter valves synched if not already done and its a job done
     
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