Some information from the IoM Police:

I have had a number of people contact me this week about UK riders coming to the Isle of Man riding motorbikes on L plates using their UK provisional licence.

A provisional licence can only be used in its country of origin therefore coming to the Isle of Man from a different country and riding such a machine under a provisional licence is against the law.

I understand this message might not please everyone however at least you now have clarity.

Sergeant Steven LAPSLEY