Quote:
Originally Posted by NzBrakelathes
Beyond 6000 RPM is detrimental for this type of engine for long periods as per local advise.
I fail to see the benefit in TOP SPEED on wee bikes, cruising speed is more usefull and should be about 6000 RPM.
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Top speed matters a lot more to those of us that live in the U.S. outside of the big cities, which is about 80% or more of the land mass that comprises our country. In the Central U.S. where I live there are large swaths of nothing for hundreds of miles, and this means most of the highways here are 60-65mph with people going much faster than that simply because they can easily get away with it. It's hard to police thousands of miles of highway with a low population density surrounding it. That isn't even including major State highways (65-70mph) or interstate (75-80mph).
As far as beyond 6000 being detrimental, I would argue that. Myself and many others have put thousands of miles on our bikes, many of which were on highways with the engine singing along at 6500-7000 the whole time.