Pressurise the airbox and pressurise the float bowls. Yep, that's a start. The it runs lean at the top because the pressure in the tank is now lower than the float bowl so the fuel won't flow.

Need to pressurize the tank as well to the same as float bowls and airbox.

Then as you're flat in sixth and slam the throttle shut for that first gear U-turn outside the chippy, the high pressure in the tank forces fuel into the float bowl, which is then forced up the pilot and bleeds into the engine in an overly rich condition, so when you rev up out of the U-turn and try to impress the scooter boys all you get is a load of fourstroking and a red face. You then realise that you should have fitted a pressure shut off solenoid between airbox and tank connected to the brake switch.

Ram air eh...piece of cake