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Posted

i got a 2011 yard sport ys 400 and it 's loading up I had the carb off and cleaned it no it loads up don't  know which way to turn the air idle screw to lean it out   

HELP

Posted

So I assume it's running rich, which is to much fuel, not enough air.so I would turn the air idle screw out a little bit to lean it.if not, I would call the manufacturer and ask them. 

  • 4 years later...
Posted

Did you solve the issue? I have a 2012 ys400 and it's doing exactly what you described. I can't find any helpful information online for this thing.

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