1980 KZ440B Carb Leaking Gas

Ran into an issue with my 1980 KZ440B this weekend. I got the bike fired up and lo and behold, one of the overflow hoses at the bottom of the carb started to just pour out gas. My carb knowledge is very limted. I think this could be a stuck float but wanted see if it could possibly be a petcock issue. This is one of those that doesn't have an off position and has been leaking very slowly out the bottom but that it. Could something have happened to it to cause the leak out of the carb when runnning? Rode the bike 2 weeks ago without issue. Thanks in advance!

pjed wrote: Ran into an issue with my 1980 KZ440B this weekend. I got the bike fired up and lo and behold, one of the overflow hoses at the bottom of the carb started to just pour out gas. My carb knowledge is very limted. I think this could be a stuck float but wanted see if it could possibly be a petcock issue. This is one of those that doesn't have an off position and has been leaking very slowly out the bottom but that it. Could something have happened to it to cause the leak out of the carb when runnning? Rode the bike 2 weeks ago without issue. Thanks in advance!

With engine running at idle, try rapping smartly against the float bowl with a plastic hammer or large screw driver handle, which sometimes allows the float needle to re-set in the seat orifice.

Could also try running some SeaFoam in the fuel to hopefully clear the float valve.

If carb dis-assembly becomes necessary to clean and/or replace the float valves, be sure to also check the slim brass overflow tube inside the float bowl to determine whether it might be cracked.

Good Fortune!

Drained the carb and was able to pull the bowl off without taking the carb off the motor. Moved the float up/down a few times. Took the float off and checked the valve. All looked fine. Reassembled and fired the bike up...no leak! Hoping that there petcock isn't causing any issues and just the float being stuck. Thanks!

If not already fitted, would install an aftermarket inline fuel filter, available at most bike shops and also at Z1E.

Click > www.z1enterprises.com/detail.aspx?ID=293

Good Fortune!

Patton wrote: If not already fitted, would install an aftermarket inline fuel filter, available at most bike shops and also at Z1E.

Click > www.z1enterprises.com/detail.aspx?ID=293

Good Fortune!

+1 Those filters are a must to help keep your carbs clean and running properly