I had same problem but just seen this post, Victor barry tyres in plympton will do it for £10 or the one in millbay should do it aswell. Gupa p and Performance tyres refused to do it aswell hope this helps.
I got a chuffing nail in my front tyre last night when i was out on the jolly with a friend. Ive had car tyres repaired in the past for about 5 quid but just wondering if any garages repair tyres for bikes as i dnt really want to spend out for a new tyre if i can avoid it as theres loads of life lef...
Got to mcdonolds 10:30 parked with all your bikes ran into Argos to get my pillion some thermol gloves and came back out and you were all gone flew down A30 but didnt see anyone so went to Tavi for nice fry up maybe see you all next time