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Sherco 250 Carb Setup


jack_h
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I have just bought a 2016 Sherco 250 and it seems to be running a little rich and smoking a bit. Checking the mixture screw on the Keihin carb it is only half a turn out. Is this about right for this bike / carb set up?

I am running the fuel mixture at 70:1.

Thanks for any help!

Jack

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It could be that the air screw is in too far. One and a half turns to two and a half turns out from fully in is the normal adjustment range, providing somebody hasn't faffed with jetting. On a used bike I would check the jet sizes are standard and it has a clean air filter. 

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