Quote:
Originally Posted by peteremsley
Couple of local guys have built and are racing super-singles based on 450 motocross frame and engine. 50+ horse and really light.

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I have a friend who was an engineer contracted to design some of the parts they sold for those bikes. It was my original motivation to build a 'super-single' of my own, but lighter and two stroke.
Those are surely fun, light, reliable bikes but I really wanted something more wild...