Restricted Licence. If you pass this test you will be able to ride bikes up to 25KW/33bhp (which covers most cruiser/commuter 250cc bikes.) for 2 years after which you will be able to ride any bike. You will be able to carry a passenger and lose the L-plates.efore you think about training make sure you have a valid licence. With a full car licence you can learn on bikes up to 125cc. Otherwise you will need to apply to DVLA for provisional motorcycle entitlement to be added.