Great thread and very thought provoking. I also ride on the circuit with a 4 cylinder sports bike so the technique is totally different to the single on the road. I agree that the objective on the road should be to anticipate situations so that you arrive at the correct speed and thus avoid heavy braking.
Have fun cos the XT660X is basically a FUN bike......at safe speeds.

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(Now sold on, sob) 2011 Blue XT660X with gold wheels, was 26,500 km.
Engine mods: K&N Stage 1 filter, DNA Stage 2 filter, snorkel removed, Kev fuel mod fitted.
Plus: smoked Puig screen, Yam aluminium sump guard, Yamaha / Acerbis handguards, Givi Trekker aluminium side cases, Leo Vince X3 cans plus Kev front fork mod and Fender Xtender. Just fitted Michelin Road Pilot 3 tyres.

SOLD the XTX for a Super Ten 1200. And just bought a Raptor 700 so staying on here for some tips....