It's a twin, not a thumper. If you watch e-bay, you'll find that, while some 450s go higher (depends who's in the market for one at the moment), it isn't unusual for 450s in reasonable looking condition to go for about $500 (there's one that's been re-listed a few times - starting bid $3,000... fat chance he'll get that), and often quite a bit less if you're willing to go through the nuisance of obtaining a title for one without papers. It's a crap shoot how much pencil pushing and bureaucracy you'll have to suffer getting one, but if you have more time than money... I picked one up, in good shape and complete save for side covers for $70. I have it for a parts department, but I have the name and address of the last registered owner (sent frame number to Motor Vehicle to check if stolen & to get info on it) if I decide to put it on the road, but the motor's already gone into another frame and a lot of other parts have been used.