Quoting Rob P <fristpenny@xxxxxxxxxxx>: Unless the motor is turning the pump doesn't > operate > & it doesn't move any fuel from tank forward. > My understanding is that pumping the pedal just dumps some fuel from the > > floats into the heads, priming the motor to start. Is this correct? Yes, that is correct. The fuel accumulates in the manifold first though. 25 times pumping will probably not help unless the engine is cranked in between. D^2