Hi Kalahri Girl,
would suggest that you have a look here to begin with
http://www.direct.gov.uk/en/Motoring...icle/index.htm
Regarding lights, would suggest a look on auction sites or forums for the bike to find spares. When I was looking for a new light for my bike, cost new was over €500, so was lucky to find a used one.
Hope this helps.
G