The carb does not have a prime ball built into it. I can get the motor running by pouring a little gas in carb, then motor seems to run fine. When warmed up it starts ok. Not great but ok.
I have put some carb cleaner in the carburetor and some sea foam.
It just seems to not start when Choked and cold without some starting fluid / gas.
One closest to the block is the idle speed screw, controlling the throttle at idle. The other one, should be larger, is the fuel mixture screw, this is the one which may be out of adjustment. I post wrong on this one, should be adjusted a full speed, not idle. Sorry.