i have rbf600 in my system now... and i dont think its worth the 18 bucks i paid for it.... down to the basics.... hyd. fluid is hyd. fluid and we all know fluids are noncompressible in a hyd. system... so it doesnt matter really what you use as long as it is compatible with the system your using.... i.e. if the system requires dot4... then just about anything is fine. i really think your paying for the name when it comes to fluids... but thats just my :2cents:
I disagree, the alcohol bases burn easy, not even track riding but aggressive riding on my part started to caramel my stock fluid.
use rbf on the race bikes and its never an issue, never burn fluid under track conditions even with thin lines.
if you do swap to the silicon base(like rbf600) make sure to flush the system completely the alcohol and silicate bases have some chemical reaction of been told that eats the rubber? i dont remember why its no bueno but it is.
DOT 4 is old tech. It has been superseded by DOT 5.1 (NOTE: This is NOT the same as DOT 5 which is silicone based and isn't a good idea to use).
Motul DOT 5.1 is a great fluid and will serve you well.
Motul DOT 4, 5.1, RBF600, RBF660 are all poly-glycol-based. They don't use the silicone stuff anymore. Personally unless you're consistently doing track days the merits of RBF600 are wasted. Better to just go the 5.1 and change it every 12 months minimum. You won't have any troubles.