I have a scooter I've just taken it bck 2 the garage with a blocked...
 

...exhaust 6 mnths old? I know it shouldn't b doing it this I rely on this scooter for mobility took me a week to convince them something was wrong had to get a recovery firm in the end to take it to them.Just wondered if there could b an underlying fault as this is the 2nd time it's happened any ideas?