Quote:
Originally Posted by kohburn
I'm really curious what rpm the engine is turning at those speeds with a 49T final. On my TT250 with the 50T at 60mph I was at 8000rpm. I'm running the 43 right now and have hit 70 on occasion at 8000rpm. if the internal gears are the same that would mean you are pulling to ~8900rpm
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All good inputs. No idea on the rpm, as my bike doesn't have a tach. Your calcs are as good an indication as any.
I like what Dave posted about the 47. When we get back from the TT250 Mexico run, we'll try that one, too. We're leaving tomorrow morning. I'm taking my mascot with me...