Ok as an update on the float needles, the failure rate on them is around the 10% mark, so even though they are a million times better than the plastic ones, these can still be a problem. This is difficult for somebody who has only bought one because it is hard for someone only playing with one to understand what is going on or NOT. The ones that fail either flood straight away out the primer bulb, (once this happens you very quickly have a flooded motor) or stick in the seat and that is using a new primer caps with each one. This is the hard part to diagnose because you can't see anything happening, you can only assume it is pumping the fuel but if the needle is stuck nothing can happen
