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Thread: What size hole ?

  1. #1
    Join Date
    Dec 2014
    Location
    Okanagan Valley,B.C.
    Posts
    59

    Default What size hole ?

    What size should the hole be in the frame tab for the inner primary mount on a 40 EL?
    Should it be a bit bigger than the bolt to allow for movement or variance or the size of the bolt?

    Thank you in advance.
    Old Ugly 40

  2. #2
    Join Date
    Jun 2010
    Posts
    276

    Default

    The frame tab slot is .437" long and .350" high, the bolt and spring let the cover flex.

  3. #3
    Join Date
    Dec 2014
    Location
    Okanagan Valley,B.C.
    Posts
    59

    Default

    Quote Originally Posted by 1950Panhead View Post
    The frame tab slot is .437" long and .350" high, the bolt and spring let the cover flex.
    Thank you 1950Panhead.
    I was just looking through my 1936-48 Parts Catalog (the one with the black cover) And don,t see an image of this bolt and hardware. (page 77) Is it the same as the one for the front of the rear chain guard?

    Thanks again.
    Old Ugly 40
    25781

  4. #4
    Join Date
    Nov 2008
    Location
    Virginia
    Posts
    470

    Default

    And the oil tank tab! All three are covered by one bolt with hole for cotter pin drilled thru it, with the two flat washers ,spring nut and cotter pin.

    Tom (Rollo) Hardy

    AMCA #12766

  5. #5
    Join Date
    Nov 2008
    Location
    Virginia
    Posts
    470

    Default

    Sorry that is for the upper not the frame tab or lower one.

    Tom (Rollo) Hardy
    AMCA #12766

  6. #6
    Join Date
    Jun 2010
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    276

  7. #7
    Join Date
    Dec 2014
    Location
    Okanagan Valley,B.C.
    Posts
    59

    Default

    OK !!
    Thanks guys. Got it figured out now. Will probably have more holy questions later.

    Old Ugly 40
    25781

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