Before 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.A provisional bike licence is valid until 70 years of age (if supported by a C.B.T certificate). Also make sure that your licence has your current address on it.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.