How do you know if you should adjust timing on a YX140

I have the inner rotor kit, has the adjustable pickup, its sitting about halfway in the range of adjustment, Im wondering If I could advance timing some for more power?

try it and see; keep an eye on the temp!

try it and see; keep an eye on the temp!

but cant you hurt anything? and whats the best way to check temps? and what should they be at?

if it starts to get too hot you will smell it and hear it poping.

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