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NGK spark Plug caps

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  • NGK spark Plug caps


    Click image for larger version  Name:	20041125-ngk_plugsrs.jpg Views:	0 Size:	56.4 KB ID:	860301

    From the DK catalog, fitting parameters for NGK plug caps:

    1st Letter code: Plug shape
    L=90 degree elbow
    S=Straight type
    T=Special 90..has extra cap beyond junction for gripping
    X=102 degree elbow
    V=120 degree elbow long type
    Y=120 degree elbow short type

    2nd letter code: Plug size
    B=14mm
    D=10-12mm
    Z=10,12,14mm

    3rd numeric code: resistance
    05=5 Kohm
    10=10 Kohm

    4th letter code: Adaptable plug terminal
    E=terminal nut
    F=terminal stud=T.S.
    H=12.7mm(1/2")

    5th letter code: accessory type
    H=compact type
    P=special waterproof cover
    M=rubber sheathed
    R=resistor type
    Z=recreational/anti-vibration

    6th letter code:
    A=recreational/anti-vibration
    **************************************************
    Just some of the models available thru DK:

    NGK# DK# '02 Prices Description
    LB05F 20-51 $2.40 90 degree/14mm/5Kohm/T.S.
    VB05F 20-303 $3.30 120 deg LONG/14mm/5Kohm/T.S.
    XB05F 20-305 $3.30 102 deg/14mm/5Kohm/T.S.
    YB05F 20-307 $3.30 120 deg LONG/14mm/5Kohm/T.S.

    **************************************************
    PS, I should probably make this a tech tip!
    Last edited by tplank; 10-31-2020, 07:56 PM.
    T. C. Gresham
    81SH "Godzilla" . . .1179cc super-rat.
    79SF "The Teacher" . . .basket case!
    History shows again and again,
    How nature points out the folly of men!

  • #2
    Plug Caps

    So as I understand it the closest to stock would be -

    NGK# DK# Price '02 Description
    LB05F 20-51 $2.40 90 degree/14mm/5Kohm/T.S.
    XB05F 20-305 $3.30 102 deg/14mm/5Kohm/T.S.
    There's always a way, figure it out.
    78XS11E

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