I picked this up today. Its a 1988 ATK 406 air cooled mx-bike. The guy I bought it from said it needed a clutch, no big deal. Well he was right, when I took the clutch side cover off, there was NO clutch at all!! Im crossing my fingers that my Rotax 250 clutches will work. Also the guy gave me a 1986 Can-Am ASE frame. More projects!