I have an '05 KLX 110, stock bore, Two Bros. pipe, stock airbox, stock carb, jetting etc. Over the last week it has been losing power steadily and is now substantially slower than it was. I checked valve clearance, within spec. I checked compression, 140 psi cold. I'm running the same fuel as in my other 110 and no problems with that one. It seems to run ok, just not much power. Has anyone ever had one jump timing? I'm just looking for ideas here, thanks.
bt260
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