pump fine...I've now resolved this... there was something wedged unger the venting valve for the pressure chamber, so it was emptying itself... now fixed that but a new problem appeared...the ignition cable is now shorting against the casing..i've tried to relocate it and added some more insulation but the spark seems very resourceful ! it keeps reappearing in different locations...will a new cable resolve this or might there be another fault ?
Fangio90
August 2008