Quote:
Originally Posted by raydhd
The gear sets for the yamaha and the dana are different. I would guess from either starting point you end up with 8:1. According to the speed calculator on this site with 8:1 gear ratio ,23" tires @6000 rpms your speed should be a shade over 50 mph assuming your engine could pull the 6k with that set up. That also assumes that the comet isn't an overdrive as opposed to the stock primary which I think it is.
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well I put my info in @12:1, 5600 rpm's, and 23" tires and it comes out to 32mph i'm hitting 40 mph right now.. so that doesn't say much for the calculator or any other ones I looked into..