malcolm Posted August 3, 2015 Report Share Posted August 3, 2015 There is fuel coming out of the breather pipes on my keihin carb on my sons beta evo 125. Can anybody tell me why this is happening ? Cheers Quote Link to comment Share on other sites More sharing options...
nitsua Posted August 3, 2015 Report Share Posted August 3, 2015 Check the needle valve. Quote Link to comment Share on other sites More sharing options...
steve_earle Posted August 3, 2015 Report Share Posted August 3, 2015 The Keihin carb is notorious for pi55ing out of the breathers even when working and set up right. If it flows out when the bike is just standing then you have a float of valve problem. Do some searching on here and you will find all the info you need and then some. Quote Link to comment Share on other sites More sharing options...
malcolm Posted August 3, 2015 Author Report Share Posted August 3, 2015 Cheers guys Quote Link to comment Share on other sites More sharing options...
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