I guess the main disadvantage of fitting an isolator is that the ecu loses it’s memory each time? I recall some years ago when I disconnected my battery, on restarting, the engine sounded pretty rough for the first 10 seconds or so.

Doug
2011 Plus 4 in Rich Maroon

1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900