Engine not started when ET over 63 degress

[thorstengsxr]

HI

I had an intersting Problem. I have a GSXR 1000 K5 with M800. The engine is running fine but wehn I want start the Engine over 63 ET nothing work. Under 63 ET I push the starterbutton und 1 sec. later the engine is running fin. As anybody her a idea

regards Thorsten

[MarkMc]

The first thing you need to do is connect a laptop to see what the ECU is doing. You need to know if the ref/sync sensors are giving the right information or if it is simply to do with your fuel/ignition compensations.