god they know how to write words that are so open to interpretation they should be world champions at it.
lets take this
4.12 Reconstructed (restored) classic cars undergoing IVA will not be required to meet the latest MOT standards, as long as the appearance of the vehicle is broadly unchanged and the engine is of the same capacity as that supplied with the vehicle when it was new.
looks the same from the outside and the interior. engine size is still a 998cc one. but it is from a Bike!