Quote:
Originally Posted by Ghost Why? DOT 5 is the silicone based fluid that should not be used. DOT 5.1 has twice the boiling point properties of DOT 4 and is fully compatible. I've been using it on my bike since I started in DD in 2008. Castrol SRF is great for race cars where the fluid can reach extraordinary temperatures, but on our little bikes to be honest DOT 4 is satisfactory too. |
SRF is dot 4 as for dot 5.1 you'll be changing more often but if you've got the money then go fr it.