i don't know if there is anything wrong with it other than it hasn't been registered and that is what put me off. who knows, they might do it for you if you press them. for myself it was a long way to go to buy a bike that could have been nicked, but if they can register it that'd take some of the worry off. as for the engine give him a call, if it is still there, who knows it could be an sp model, i never got that far cos i bought the mc21 instead.