jerk driving

Hi guys got rid 1 problem now got another got the ragie runny great better than what it was when i bought her anyway.
Now shes running good anything over 45 - 50 mph is dead jerky when driving go to floor the accelarator it coughts splutter timing is 100% ok the adjuster on the dizzy is turned clockwise to make her run properly.
Anybody got any ideas?

cheers andy

checked fuel all is ok anybody help

tis probably air leaking into the fuel system somewhere