The proper gap setting would be .07-.08mm (0.026-0.031in) with a ngk br8eix or br8eg spark plug. The br8eg is much cheaper than the eix and I can't notice the difference in performance only in price. $18 compared to $4. I hope this helps out anyone who wants to know.
Source for Gap setting: Kawasaki owners manual kx250 '03
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