Motorcycle or Scooter Insurance in London?

How much would the insurance be for a motorcycle or scooter worth less than 4,000GBP in London?

I'm hoping that it would be a lot less than a 50cc scooter in Dublin worth about 400GBP costing 200GBP for insurance per year.

try www.carolenash.com they have online quotes..thats who i went with

try www.bennett.co.uk