i bought a 2002 dr200se with 400 miles on it for five hundred dollars but the bike had been set up for over four years and the motor was siezied up got the motor running great but i can not get it to go in gear it is stuck in neutral checked all the easy stuff shifter fork pulled the covers and the case was full of rust water and old feul i dont want to pull the case apart yet want to haer it shift first anyone know a trick i could use