Braap_a_Banshee Posted October 9, 2010 Report Posted October 9, 2010 just got a new keihin pwk 39 mm carb. as soon as i turn the gas on, gas flow out of the overflow tube on the bowl. i dont know what the problem is! i have cleaned it a couple of times and cant find a problem. it continues to leak gas even when the motor is running. i need help fast please! Quote
tripledsracing Posted October 9, 2010 Report Posted October 9, 2010 just got a new keihin pwk 39 mm carb. as soon as i turn the gas on, gas flow out of the overflow tube on the bowl. i dont know what the problem is! i have cleaned it a couple of times and cant find a problem. it continues to leak gas even when the motor is running. i need help fast please! floats are stuck or needle and seat is stopped up! Quote
Braap_a_Banshee Posted October 9, 2010 Author Report Posted October 9, 2010 floats are stuck or needle and seat is stopped up! thats what i was thinking. and i have cleaned it all 2 times. but nothing seems to be freeing them up. what do you suggest that i do to fix it? i mean i have sprayed carb cleaner to try and free things up, but im lost for ideas Quote
SAVAGE420 Posted October 9, 2010 Report Posted October 9, 2010 Adjust the float hight in 10 seconds. Problem solved. Need to be 16MM. Use your calipers to measure the hight, then rock out! Quote
Braap_a_Banshee Posted October 9, 2010 Author Report Posted October 9, 2010 Adjust the float hight in 10 seconds. Problem solved. Need to be 16MM. Use your calipers to measure the hight, then rock out! alright, so i have the carb apart. and the floats in hand. how do i measure 16mm? could you explain that please? Quote
RadarRacing Posted October 9, 2010 Report Posted October 9, 2010 Hold the carb upside down with the bowl off and adjust the float till its even with the carb body. Radar Quote
SAVAGE420 Posted October 9, 2010 Report Posted October 9, 2010 Do it as said above by RadarRacing. But also read this its written very well and explains in detail with pics. Its VERY easy and quick to do. Have fun. Lets us know! http://www.allthingsmoto.com/forums/f-15/how-set-your-motorcycle-carburetor-float-level-more-commentary-13608/ Quote
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