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I think your right about the long stroke being the main factor limiting the rpm,which is not a bad thing for a bike like the T-Bird.With the right gearing,it can be plenty quick and have a respectable top end speed.My main gripe about my 790 is why Triumph uses such a short stroke on it.It doesnt have the low rpm torque i want and doesnt have the high rpm hp you expect from a short stroke motor.The original 650 had a stroke of 3.22 inches compared to the 2.68 inch stroke of the 790,and it seemed to rev plenty fast but with more low rpm torque.Probaly why its still a favorite among hill climbers.



I found that installing the freak and some free flowing pipes really changed the they way my speedy felt. Sounded better, accelerated quicker. It felt like a different bike.


...yes, that is a single seat...no, I will not put the other seat on...yes, I am selfish...yes, you should buy your own bike