Maintenance & Technical > KX250 / KX125

Spark plug question

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FuriouSly:

--- Quote from: Plowboy on January 18, 2008, 01:24:43 AM --- I wonder if I should increase the plug gap on the plug I'm using since the 6254 is .060 and I'm only at .024?
--- End quote ---

Spec on 1992-1993 KX250 spark gap is .9 or .036...  pretty much prior and after those years the gap is .7 or .028...


--- Quote --- Maybe I am missing something in the way of a larger spark/flame "kernel".....but then again with the B8 standard plug more of the spark/flame is exposed than with the 6254.

--- End quote ---

If your bike is stock with an older top-end then you wont really notice a ton of a difference between plug grades.  Actually it becomes harder to foul the ES because it has allot more electrode(s) surface area.

But in higher compression/modded bikes it becomes the opposite.  You will need a higher quality plug EG/EV/EIX to actually not foul (understand what fouling is??) and produce the proper spark needed.....of course I am not an expert and these are my opinions only...

ES/EG plugs are great for putt putt riders, lawnmowers, and weed whackerzzz.... hehehehe :roll:

Sly

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