The dyno was Race Developments in Gloucester (Tim Radley), it's a fairly new Dynojet 250i load control Dyno, it measured Phoenix's M600 race bike at just under 51bhp so I believe it to be reasonably accurate.
http://www.racedevelopments.co.uk/ Lightened flywheel already fitted a few weeks ago, now wheelies off the throttle in 2nd as well as first :P
[Edited on 5-2-2006 by Zimbo16]