ECU Engine Management Replacement You have have found your ECU is either not working or it is has no power source or that it may run on one cylinder this can mean there maybe a dry solder joint which is very common in 59M ECU. Here is where we can help – we can mostly diagnose the issue from a call with as much information as you can provide us with regarding the issue you maybe having. In this way we can recommend a sutable solution whether to replace the ECU and the map suited to your bike or repairi your original unit Give us a call on 0458 490 693 to discuss it further.