you can get a timing advancer .k/n filters air and oil. dino jet stage 1 2 or 3. a aftermarket can or get 750 f head and pistons if it fits your bike ihave a 1997 mk 1 600s inport with all the partsbut not the 750 up grade and my bike will do 130 at will and get ther fast faling allthat put a 1200 bandit engin in your frame it can be done but other things not up to the job brakes ect