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Discussion Starter #1
I just bought a 86' R and the carb leaks gas out the overflow. I checked the float level and adjusted it to specs and it still leaks.

Maybe the cause is the needle and seat?
 

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check the rubber tip on the float needle for damage and replace it if there is. there is also a chance that the seat has a film from old gas. you'll need to clean it if there is.

is there any signs of trash in the bottom of the carb when you last had it apart?
 

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Discussion Starter #3
check the rubber tip on the float needle for damage and replace it if there is. there is also a chance that the seat has a film from old gas. you'll need to clean it if there is.

is there any signs of trash in the bottom of the carb when you last had it apart?
I just replaced the needle valve with a oem honda one and the carb is spotless. The float level is set to the factory specs of 16mm and it still leaks out the overflow.

Any ideas?
 

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what does the brass seat look like. needs to be shiney. if not, take and break off a small peice of steel wool and roll it into a ball just large enough to insert it and then take a phillips head screwdriver that has the same dia. as the needle and polish it up a bit.

if this doesnt do the trick. there is a possibility that the float isnt good but, i've rarely seen a bad one.
 

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Ttake the float out and put it in water and see if it fills with water.
 
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