Hi
I would use the Pro RSF 5 fork oil
http://www.opieoils.co.uk/p-826-silkolene-pro-rsf-5-racing-suspension-fluid.aspx
5w is the standard viscosity and as you are using stiffer springs, it should work out better than the soft springs with thick oil.
The best fluids for the brakes and clutch are the Castrol SRF, Motul RBF660 and Gulf RF1000, but they are overkill for 99.9% of people. The Motul RBF600, Gulf RF1000, Millers 300 Plus and Fuchs Pro Race are close to those, but don't have quite as high boiling points. The next step down (in performance terms), but still an upgrade over standard are the Gulf Racing 5.1, Motul DOT 5.1 and Castrol React Performance. Any of the other DOT4 fluids we have are fine to use as a standard choice.
http://www.opieoils.co.uk/c-450-brake-fluid-clutch-fluid.aspx
According to my data, the engine only needs an SE as the basic option, so SJ or SL will be fine.
http://www.opieoils.co.uk/c-782-10w-40.aspx
The best oils there are the Silkolene Pro 4 and Comp 4, Motul 300v, Redline, Amsoil, Shell Advance Ultra 4 and Castrol Power 1 Racing. The Motul 5100, Castrol Power 1, Shell Advance VSX and Silkolene Super 4 are good cheaper alternatives.
Cheers
Tim