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As I do more track days, I find myself spending a lot of money on tires for my big bikes. I also really want to get into racing, and the prospect of a new set of tires every weekend is pretty financially unappealing. From what I hear, if I can pick up something like an nsr125, rc390, or similar small bike, or pick up some supermoto wheels and slicks for my dirtbike, I could possibly get into racing more affordably (from a season cost perspective). As a larger person (6'3", 190 pounds) what do these small bikes feel like at track speeds? Also, is it better to go the supermoto route or the small sportsbike route for LRRS?
100% of my on-track experience is on 1000cc twins so that would be my point of comparison. I've ridden my dirt bike on the street, and it feels very fast but I probably haven't been over 55mph on it.