Maintenance & Technical > KX500 Original

Changing mix ratio=fouling plugs?

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fullbore55:
Nope, temperature was relatively the same.  I'm just thinking...My stock jetting was borderline rich at 32:1.  At 40:1, I would be slightly richer(air/fuel jetting) which would be even more exaggerated in the tight stuff.  Although, the bike did not load up from oil at 40:1, It may foul a plug from being too rich. 

kaw rider:
you might have fuel/oil in your crankcase. i would start the engine and get up to temp. and setting there idling turn off the gas and see how long it runs.

fullbore55:
It should die out pretty quickly, I assume?

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