I have made a deal to buy a 2000 KTM 640 LC4 from out of state. It has 650 actual miles. I have owned many motorcycles but not KTM´s. Is there anything in particular I should check out when buyning this bike? What changes have been made to subsuquent models? Any added wisdom would be greatly appreciated. I currently own a KLR 650 and a R1200GS.