Not much "go" in the engine, but it sure stops nice.
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Actually, everyone I know who's ridden a Blast has loved it. Great starter bike. Significantly more grunt than a Ninjette so it takes longer to "outgrow," handles well, and fun as hell to ride. One of my Military Sportbike Rider's Course instructors rode one for demos. She'd put a knee down on the circles.
Oh, and with a D&D exhaust, OBNOXIOUSLY loud. (Says the guy with BoomTubes.)