Quick word of caution if you are thinking of buying the bike and selling the plate you can't !

Here are the “rules”

My Vehicle is not taxed and has no current MOT. May I transfer the registration from it to another vehicle or to retention?

An application will be considered if your last tax disc expired within six months of the date upon which the VRO receive your application to transfer. In this case you must have been the registered keeper at the time the tax expired, and the tax must have expired naturally without refund. You must also provide the MOT certificate that was valid at the time the vehicle was last taxed.