That's crazy good mileage. I've managed around 110mpg with my Yamaha C3 and I thought that was pretty good. So, why is it that a much larger engine, on a bike going faster gets better mileage? Just better gearing? (After all, mine is a CVT, so I can't coast or shift gears strategically). Funny how you got much better mileage than my 49cc, though.
I checked out that Dutch site and it really makes me wonder if I could pull something similar off for my C3. Since you can get 110mpg driving not-so-carefully (I drive near the 60km/hr limit of my bike) barebones stock, I would imagine it has some real potential.
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