Carb Help

tdot

New Member
May 21, 2018
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Hello,

I got a cf moto 500 with a mikuni carb bsr36. Currently when it runs, gas pours out of the overflow tube. I have taken it apart to check the floats, needle and seat. Everything moves freely and there is no debris in it. I took the floats out and tested it in water. Seems to float. I tested the needle i believe it is working. the rubber tip shows no sign of wear or damage. I also changed the seal on the seat. I have polished the inside of the seat also. I am stumped. I have also bent the tang on the float to close the needle valve much sooner. It did nothing. Machine runs fine, choke works fine. Any ideas? I was at it for a long time and not sure if there could be something else causing this.

thanks
 

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