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Thread: Knucklehead valve springs

  1. #1

    Knucklehead valve springs

    What brand or style of springs are you guys using in a Knuckle. Just took a engine apart with 1,000 mile on it and the rear intake valve spring is broken and in terrible shape, took out the valve guide and scored the cylinders, dug into the upper collar and lower tin, unknown manufacture but the are coated green color, any help? Thanks Dave

  2. #2
    Join Date
    Aug 2010
    Location
    Twin Cities, MN
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    3,168

    Re: Knucklehead valve springs

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  3. #3
    Join Date
    Apr 2010
    Location
    Western Oregon
    Posts
    241

    Re: Knucklehead valve springs

    I went with Kibblewhite also, Igot mine here http://www.powersportsplace.com/sear...rder=Ascending

  4. #4

    Re: Knucklehead valve springs

    I had the same problem with the junk green springs from vtwin. Mine lasted 500 miles and the inner spring broke and started making a noise. Luckily I found it before it caused any other damage. Used stock springs or kibble white are both good options.

  5. #5
    Join Date
    Mar 2008
    Location
    Beautiful Northern NM
    Posts
    12,371

    Re: Knucklehead valve springs

    I like OEM Knuckle outers and FLH Pan/Shovel inners. A bit extra seat pressure with modern valves and lighter valve train components. But these days Kibblewhite are a good option.
    Friends help friends move,
    Real friends help friends move bodies!

  6. #6

    Re: Knucklehead valve springs

    Thanks a lot, will check on some Kibblewhite springs.

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