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question about racing an EX500 in the lightweight sportsman class, the rulebook at the lrrs website is kinda vauge can anyone tell me what is allowed, what can be changed, what can be used, how motified can the bike be ie: swing arm,forks, engine wise,pipes, fairing, fatter tires.....ect. i'm very interested in racing and just want to know the rules....so i can set up a bike.thanks