if any one is mechanically inclined i have a small problem i just bought a cat and it runs like a top BUT it feels like it has a low end problem in the carbs maybe dirty maybe a dirty air filter i dont know but you cannot travel below 4000 rpms ...any suggestions anyone else encounter similar problems, the bike sat for a year but ive put 1200 miles on it since i got it ...i just bought it changed the oil and drove it but i dono...let me know