What you are looking for is called a Moped. A Velosolex is one such
animal.

I am in Canada and don't have a source, but they do sell motors to put
on regular bicycles. They then become 'mopeds' and require lights and a
license and helmet to drive them on the street.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)

Pretzelz wrote:
>
> Hi everyone,
>
> I know nothing about Mechanics, but in the smallish city in England
> that i live, I think a petrol powerered bicycle would be really cool!
> The traffic is always bad here, so I wondered how feasible it would be
> to attach an engine to a bike. (I'm not interested in an electric
> motor)
>
> Does anyone know of any simple petrol motor kits which are sold that
> can be attached to a bike? I found one example of such a bike called
> the VeloSolex: http://freespace.virgin.net/stones.ukp/velosolex.htm
> but it's nearly £1000.
>
> I found one on Ebay, but it's located in Austrailia, but better priced
> at: £282.
>
> Any hints or pointers?