Running rich, no air supply. Get rid of that air cleaner and get a REAL BIG ONE like you are supposed to have. THEN see what happens before adjusting and opening up carb. Rough calculation: With the diameter of that filter and the louvered hood, You have less than 25% air flow volume of what the motor needs.
You are, in fact, running with a "choke" on all the time. You could be as low as 10% of required air volume. I can't see the louver gaps. When you get that fixed, you will think you have a dragster. Smokin the tires every take off.
Not really