Have you got a wide band to see if its running too rich or lean? if the engine isn't getting the right air to fuel mixture it might need a running in map
Try this lots of useful info and also has complete ignition circuit diagram
http://glanzamini.blogspot.co.uk/2011/11/wiring-loom.html
http://glanzamini.blogspot.co.uk/2011/11/wiring-loom.html