Home › Forum › Ask A Member › More Koban Questons – Head Gaskets, Plugs › Re: More Koban Questons – Head Gaskets, Plugs

#45208
PM T2
Participant

    Canada Member

    1915 would use a spark plug with 1/2" pipe thread. You can use Champion X if you can find them. I have seen them with everything from Champion to Splittorff plugs in them, anything with a 1/2" pipe thread base is fair game.

    For cheap modern equivalent, Autolite 3095 does the trick.

    Re-use the copper head gaskets if at all possible. These are not high compression engines, so severe leakage is unlikely as long as the mating surfaces are flat and you clean the gasket up as much as possible.

    Hope this helps.

    Best,
    PM T2

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