Hi Doug, the wet plug/no start syndrome baffles me, only thing I think happens is the needle allows it to flood. The big problem with the plastic needles is generally they stick in the seat and you really can't see anything to prove that it is not letting fuel flow, others just won't seat and fuel pours out the primer bulb. As soon as this happens, depending on how quickly you notice the fuel running out this can flood the crankcase and then it is quite an effort to clear that. With the plug out and pulling it over fuel can spurt out 4 feet. I still occasionally have this occur with the viton tipped needles but the problems have been reduced 10 fold. If a motor with a new primer cap and needle fitted and it won't start I give it a tap on the top of the carby and usually this drops the needle out of the seat, vise versa if the the primer bulb pours fuel, if it happens turn the fuel off and tap the carby then turn the fuel back on,usually this stops it. If you get it quick enough hopefully it won't have flooded the motor. They are not perfect but the best we can get and usually after a couple of days the fuel swells the viton enough to get it to work properly
