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Thought this chart might help some who wonder about setting up their sprockets. Aside from all the conversations made, I selected to go with a 530 "O" ring chain, with a 17 tooth front sprocket and a 33 tooth rear sprocket. I'm sure their many other preferences and selections by many others, just thought I'd add my 2 cents. I just liked the chart!
Hers a dynamic Excel spreadsheet that shows RPM vs MPH for all combinations of gears, tires and sprockets. www.amckayltd.com/xs650revs3.xls
The chart uses rolling distance of the rear tire for one revolution of the wheel as there is no accurate way to measure the diameter or the circumference of a motorcycle tire due to its round cross section.
Use the orange cell pull downs to select the desired sprockets and rolling distance.
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