Hey mate, you've got Glenn Mason's old bike (black MC21 with a white stripe across it) which went to Jason Dawes last i heard before you bought it. Its a reliable bike with good, sensible mods and a proven good performer in its current setup so if you run it as it is, on the 50/50 fuel mix that Glenn used then you'll know for sure you're well in the green. If you go to just plain 98 Ultimate unleaded (premixed of course) then you'll want to look at messing with the jetting. As far as i remember its got an NSR world carbon carb shroud, foam filters and Kerry Dukie did some work on the suspension.
There's tv footage of it in its old colour scheme at Pukekohe: http://www.youtube.com/watch?v=5zijfYb3Yk0
Go to 5:00 minutes in and look for bike 555. You see it again at 8:00 minutes - avoiding a load of carnage - its a good race!
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After years of moaning about immigrants now i am one...