I have a st125 skipper. It has 12 inch wheels. 140 mm drum brake on the rear.
I bought it to use the engine elsewhere. I need an engine with 10 inch wheels, 110 mm drum brake I presume.
I don't think an et4 wheel will fit due to the drum size. Unless someone else knows different.
I am therefore Thinking of buying a zip or et4 125 engine.
Will the skipper electrics /variator /clutch and carb be useable on these engines?
Will the cdi regulator and wiring loom be usable?

Robbie