Stalls after I give it gas.

wmchevier

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1977 CB750. Once I get the machine warmed up and idling fine, when I give her some throttle she makes a hissing sound and dies. I’m assuming she is too lean? Not sure what to adjust. Suggestions.
 

dirtdigger

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Apply the choke slightly see if it gets better. Have carbs been cleaned? Float level verified? Intake boots sealing good with no leaks? Stock air box or pod filters? Stock jetting? What engine and exhaust mods? Is ignition in good shape? Engine condition? Fuel quality?
 
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