I don't know that carb with the permanent strato-ness - so some guessing.
Long purge nipple line goes back to tank - looks good.
Fuel supply line (under choke) should go to nipple closest to fuel pump side. Is that metering side against chassis? Looks like 4 screws but this carb could have that on pump side.
If it ain't working like this - try reversing the 2 current carb lines.
One coming out if the tank with fuel filter is going over to the right side under the throttle.one below choke is going up to short stem on primer bulb
Primer bulb will not fill with gas.only about half way.im fixing this for a guy.saw will only start on choke then quits.this is a aftermarket new carb.(junk in my opinion)[emoji23]