Not a motorbike as such but....

[Grant.D]

Pretty impressive

http://cgi.ebay.co.uk/YAMAHA-RAPTOR-ROAD-LEGAL-QUA...

Edited by Grant.D on Saturday 13th October 13:10

[Brite spark]

wouldn't really call it impressive, a nice gimick perhaps,
could have litre sportsbike for less, better for overtaking, better suited to use on the road and takes up less room in the garage.