Maintenance & Technical > KX500 Original

Timing? .087 or .086?

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1901306708:
advance it until it wont rev anymore, then back it off a touch. thats where mine makes the most and widest power. i marked the degrees along my stator and do it that way. much easier.

On my bike, running lots of timing made it ping a bit in the midrange. better fuel solves that. or you can decrease the advance until that goes away.

i have had mine as high as 26 degrees. after making the squish band more like a squish band i'm down around 18-20.

dont get hung up on being bang on to some measurement. try it in a bunch of different spots and see what you like.

alward25:
running .086" is the sweet spot on stock to modified engines.  If you are close thats fine.  It takes practice to get it on the gnats butt hair.

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