fuel coming out of vent jet

[jb36]

I have an older model 70hr murcury and when i pump the bulb fuel comes out of the vent jet . Its a type c carberator .What would cause that

 

[halmc]

Re: fuel coming out of vent jet

Stuck or fouled float needle.

 

[Maxz695]

Re: fuel coming out of vent jet

Or float level is too high or stuck.