Mark,

I've recently had the same problem with a new 120SX and has been said it needs a higher pump voltage (unaccel1). I disconnected the kero and main lines from the engine and then tried a start, increasing the voltage until fuel came out of the kero line. You have to set the voltage in unaccel 1 before each attempt. I finished up with a value of 0.40v, although the value as delivered was 0.25v. It now starts without any problems and doesn't wet start, but as soon as it shows signs of it I'll reduce the voltage.

Roger