June 28, 20251 yr As title says, frame number suggests it's build is march 04. The master cylinder tops have been changed for aftermarket ones so can't go by the colour of the top. I had the Idea to take the top off and dab a cotton bud into fluid and rub it onto a painted surface (not on the bike 😉) and it took the paint off, so assuming I have DOT4 and not mineral oil unless that strips paint as well 🤔 Want to top up master cylinder and fit a repair kit. Cheers Tim
June 28, 20251 yr I suspect you are looking at DOT fluid; another test to try, mineral oil does not mix with water, DOT fluid mixes with water very easy. Only your clutch hydraulics would use mineral oil, brakes will always be DOT fluid. Edited June 28, 20251 yr by lemur
June 28, 20251 yr Author 26 minutes ago, lemur said: I suspect you are looking at DOT fluid; another test to try, mineral oil does not mix with water, DOT fluid mixes with water very easy. Only your clutch hydraulics would use mineral oil, brakes will always be DOT fluid. Thanks, I'll try the water test to make sure. Yes, know the brakes will be DOT It's just the clutch I wasn't sure about 👍
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