Jury Rig spark plug gapping

Discussion in '2-Stroke Engines' started by urbancombat, May 5, 2008.

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  1. urbancombat

    urbancombat Guest

    ok I finally put a new plug in, its a chinese Dax one. The engine starts better, but runs like **** at high speed

    (The other part of my problem is I think my oil mix was accidentally a tad too rich, and it doesn't seem to run as good as on that expensive synthetic racing oil) .

    The oil part is a no brainer. But bear with me on the spark thing. I lost my gapper tool and can't remember what they reccomend, is it .035"?

    Can someone give me a jury rigged gap for whatever it is? For ex. "the width of a credit card"....

    thanks, Rob

  2. Somebody correct me but I think you can use a dime.
  3. stude13

    stude13 Active Member

    when you find the measurement go to any car parts store, they have the gappers just sitting out, ask and they will even do it for you. in the 60s we used a match book cover for vw engines.
  4. Ghost0

    Ghost0 Guest

    A Dime is too thick, about .058", a credit card should work, it measures .028"
  5. fetor56

    fetor56 Guest

    The gap should be around .025'' and that's approximately the thickness of a hacksaw blade.
  6. stude13

    stude13 Active Member

    yeah go ahead, i thought you wanted to set it right.