i will be riding along and it will pull to the right all of the sudden but it doesnt continue to pull it just jerks real hard and quits then do it again almost like a warpped rotor on a car would do. i have inspected the breaks very good and i have no problems with them at all. it also makes a clicking noise sometimes when it is in 4x4 and i turn sharp. does anyone know what my problem could be? trx500 4x4