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Old 3 Aug 2007
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1980 cb750 Custom Need Help!

Hello all I need Help! I purchased my first bike a week ago, unfortunatly for me the carbs are leaking from the float bowl, where the bleeders are. Theyre all shut, however fuell is flowing like river through the drain tubes. I'd realy like to get this fixed so i can finally ride.

Thanks!
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Old 3 Aug 2007
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Sounds like the floats or the float valves are stuck .
Take the float bowls off and check them .
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Old 3 Aug 2007
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Quote:
Originally Posted by Dodger View Post
Sounds like the floats or the float valves are stuck .
Take the float bowls off and check them .
If you dont mind my asking being as I am new to all this, what am I looking for? Also, where may I find a decent priced carb rebuild kit?
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Old 3 Aug 2007
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Quote:
Originally Posted by RyanPridgeon View Post
If you dont mind my asking being as I am new to all this, what am I looking for? Also, where may I find a decent priced carb rebuild kit?
Please forgive me ,the following is generic information as I am not too familiar with CB750s .
Get workshop manual and it will have all the info you need .
However, if you take the float bowl off a carb you will see the float/s ,make sure that they are free to rotate on their pivot/slide .
Then turn on the petcock and push the float upwards ,you will see a tab on the float and it will close the float valve shutting off the gas/petrol.
Float valves can stick open or closed due to age/dirt .
Don't venture any further into carb dismantling until you know what you are doing and have the manual to hand .
You should be able to download a manual from one of the CB750 groups on the internet and they will know where to get parts .
Good luck .
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Old 3 Aug 2007
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Thank you very much
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