Looks like 15/ 33 gearing should result in about 5,800 rpm at 69 mph for a pre gen Ninja with stock tires according to gearing commander. The aggressive cam tuning of the Ninja has no power to pull below 4,800 so you may end up using 4th and 5th more often where 6th will be an overdrive.
Last edited by sendler; 03-07-2012 at 02:03 PM..
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