timmowatts Posted 15 hours ago Report Share Posted 15 hours ago 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 Quote Link to comment Share on other sites More sharing options...
lemur Posted 15 hours ago Report Share Posted 15 hours ago (edited) 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 15 hours ago by lemur Quote Link to comment Share on other sites More sharing options...
timmowatts Posted 14 hours ago Author Report Share Posted 14 hours ago 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 👍 1 Quote Link to comment Share on other sites More sharing options...
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