Engine/Chassis numbers: Don't get caught out!
I'm pretty sure that this has been said loads of times on this site, but I will say it again anyway:
VERY IMPORTANT: Before you apply for a carnet or set off on your trip, check that your chassis and engine numbers on the bike match those on your Registration Certificate!!! I stupidly trusted that the number on my Registration Certificate is correct, supplied that number to the RAC for my Carnet and now, with a week before we leave, I am sitting with a Registration Certificate and Carnet that has a different number to those on my bike. It is only a P instead of a D, but some border officials might just use it to get a hefty fine/bribe out of you, or worse, sent you back!
The good people of the RAC will charge you £150 for issuing a new Carnet, as it wasn't their fault they got the wrong number. However, they will give you letter with the official letterhead and stamps, saying that the number on the carnet is wrong, without charge. I would be interested to hear if anybody has used this in the past with success.
The DVLA however, takes between two to four weeks to issue a new Registration Certificate with the right number. So, the only option we have is to risk it and see if we can get into Tunisia without them spotting the difference. I would also be interested to know other travellers experience at the Tunis harbour, and any information on how thoroughly they check chassiss/engine numbers.