This one had the side valve engine, it always ran when I needed to use it. I have only driven this one and "fast" it isn't, not sure if it is typical of the breed.
I used to take it to work occassionaly, a 60mile round trip, the only time it let me down was when the dynamo failed, luckily I had a spare battery on board which got me home..
I had to rebuild the starter motor and the dynamo, that was about it.
Switch gear is poor, before I set off I would flick the indicators on and off a dozen times or so to be sure they would work when I needed them,
Regards rog8811