Leaky Carbs

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02 Feb 2012 17:38 #501567 by Roca
Leaky Carbs was created by Roca
i Have a 1981 kz 550 and my left Carb Is dripping Gas. As this is My first bike i need some suggestions as to the Repair. The leak is coming out of the bottom and dripping on the transmission. Please help!

1980 KZ550-C2 LTD Custom

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  • testarossa
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02 Feb 2012 17:48 #501570 by testarossa
Replied by testarossa on topic Leaky Carbs
I'm not familiar with the carbs on a 550, but I might suggest that you have a look at your petcock function and the float valve in the leaking carb. I would guess that neither is doing a proper job of sealing the flow of gasolene when the bike is not running. Make sure that you get this fixed. It could lead to a fire.

1978 KZ1000 A2 Click--->Build Thread
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02 Feb 2012 17:53 #501571 by Roca
Replied by Roca on topic Leaky Carbs
The leak only happens while the bike is running.

1980 KZ550-C2 LTD Custom

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  • gd4now
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02 Feb 2012 20:37 - 02 Feb 2012 20:42 #501607 by gd4now
Replied by gd4now on topic Leaky Carbs
IIRC the carbs on the 81 550 are TK 22s and they have an overflow pipe in the bowl. Fuel enters the bowl via the float needle/valve which is supposed to close onece the fuel reachs the proper level and the float closes the valve. If the valve is not closing correctly then fuel will continue to eneter bowl. The over flow tube is there to drain fuel that would take the level higher than the proper level.

So I would check the valve and its needle, the float and the over flow tube for the carb that is leaking.

You might also want to check out this site that member loudhvx has on these types of carbs.
home.comcast.net/~loudgpz/GPZweb/TK22mainPage/TK22mainPage.html

1977 KZ650 B1
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Last edit: 02 Feb 2012 20:42 by gd4now.
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02 Feb 2012 20:40 #501608 by Flyndrive
Replied by Flyndrive on topic Leaky Carbs
I've had the same thing on my 550. You will probably need to get the float needle replaced.

1980 KZ 550A1
1985 GPZ 900R
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02 Feb 2012 20:41 #501609 by Flyndrive
Replied by Flyndrive on topic Leaky Carbs
Search loudhvx he has a ton of info on the 550's and those specific carbs in his signature line.

1980 KZ 550A1
1985 GPZ 900R
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