Mr H - being a pedantic b**tard I must point out that a Honda 50 is not a moped - To be a moped it must be capable of being powered purely by pedal power as well as the engine. Interesting thing about the Honda 50 - The further you advanced the timing the faster it would go. So, set at it's furthest using the vernier adjuster you could get nearly 60 out of them (down hill and with a good tail wind) It was pretty scary though. Crap at low speeds if you did and it wouldn't pull when you were 2 up but fun all the same:-)

Cheers

DeG