| Thanks smilo, thanks all
I've just given the bike a quick run on the standard ECU with the 50mm Termis fitted and as you'd expect she's not happy. Smilo - I have an ECU that matches the serial number you quoted; as it runs fine for you then that could be the one. Will just wait for Ian and Tim to confirm later.
BTW guys, on the other side of this ECU there's a label marked: IAW 59M.A4/HW0101/0115_115 12V= 144 01 then a bar code and OL+DD8P58. Is yours the same Smilo? | 
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