I’ve had in excess of 50 classics and almost always fitted some form of electronic ignition including luminition, powerspark, accuspark but never 123. In 25 years the only make I’ve had problems with have been luminition. The cheap as chips, magnetic trigger devices for under £50 are now my default fitment. Eliminates spindle wear, smoother idle, consistent spark and fit and forget.
Some may suggest others but I can only relate my experiences and would highly recommend both powerspark and accuspark.
