Cheers fellas !
DO NOT GIVE IT THE BERRIES IN 5TH AND 6TH !!! That's how I'm gonna play it today and see what happens. Can't bloomin' wait !!!
Two stroke dyno man is next on the list. There's one not too far away from me who I'll be trying. He's a guru in the scooter world including racing but wasn't phased at all when I mentioned jetting the NSR. They've been around as long as I've been catching a bus into Leeds ! (That's a long long time...)
Bike is completely standard engine wise apart the exhaust. No holes in the airbox etc. If I'm feeling adventurous I'll mabe sneak in a cheeky plug chop too !
Thanks for the advice...I'll let you know what happens...Heheheheheeeeeee.

Dave.