RE: Priming problems?
Sorry Skynard -- sorry that you own one. I have one as well & it is a royal pain. I think that you have a big air-leak in the #$%^&@ thing somewhere. Probably around the base of the carb, or past the throttle barrel, or past the needle-valve o-ring, or past the backplate, or past the joint in the needle valve body where it separates to fit through the !@#$%^& rear support bracket, or past the front bearing. You get the picture?
A good mod is to ditch the carb & replace it with something else that fits & has a similar throttle-bore size. I put a TT .46 Pro carb on mine, & despite the smaller throttle bore it smartened up considerably -- not perfect like the TT, but better than it was. I had a spare carb, but for you it would mean throwing more $ at it. Of course you could have bought something else to start with -- a really good idea. I bought mine because it was cheap & I didn't expect much -- I got what I expected, only more so. I won't buy another one. It doesn't even make entertaining power because you can't keep it peaked. If you tune it so that it stays lit, it is quite mediocre in output. JUNK.