Re: 9.9 Johnson Carb Question

[joesnuffy]

The side electrode has a curve shape to it where it is joined to spark plug side it the curves and goes over the center electrode. As I understand it the curved part needs to be positioned where it is at the bottom of cylinder when screwed into the engine with the ground part facing up toward top of cylinder. Putting a mark on outside of plug with like a sharpie lets you know where the bottom curve is while your screwing it in because you can’t see it. I think that is what you and I are saying if so your correct

If you look at the pic of spark plug you see the curved electrode and it curves out over the entire center electrode. When you grind the curved side electrode you grind it to where it doesn’t go over the entire center electrode it only goes half-way over it. I hope that helps explain it. It makes the spark jump from the center electrode sideways to the curved side electrode.

These are good tips especially if a lot of trolling is involved.

Hope that helps,
Joe

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