09 FE450. LHRB has died. I think...

The clutch uses mineral oil. The rear brake uses DOT 4. So depending on what you used will F up one or the other. Shouldn't be hard to rebuild kits for either end. Might be hard to find DOT 4 for lever end same for rear brake (mineral oil) maybe someone out there knows a fuild that would work?

Rainerio said:

The clutch uses mineral oil. The rear brake uses DOT 4. So depending on what you used will F up one or the other. Shouldn't be hard to rebuild kits for either end. Might be hard to find DOT 4 for lever end same for rear brake (mineral oil) maybe someone out there knows a fuild that would work?

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you don't say Rainerio! No shi* Sherlock!

Introducing a synthetic brake fluid called 5.0 well that is what I recall through my inebriated and tortured two brain cells!

5.0 was synthetic and
5.1 was back to DOT.

he's basically got contamination years later, it could have happened on the first day, it could have happened in three years time but eventually the wrong oil got to the wrong seal. Don't forget; there's no travel in brake or clutch hydraulic fluid.

I do a brake fluid conversion kit (100137) and a brake fluid anti-slosh cup (101318). In theory, if everything was done from the start, when fresh and new, then you'd start with DOT5.1 and live happily ever after. but you are replacing mineral oil so it has to work with the old mineral oil; your not flushing it out exactly are you?

so using a synthetic brake fluid is all i could think of .... and it worked for me!

regards


Taffy

KTM Husqvarna dealer should be able to help You. If in the US Rockymountan ATV , AOMC.MX or Munn Racing. Even Taffy if your in Europe , worldwide I think. He's the sweetest old Man next to Cod liver oil!

if the piston seal inside is green it is for mineral oil. if the seal is black it is for brake fluid.

cheers

Taffy