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Old 20-Aug-2009, 18:30
twpd twpd is offline
Deceased 02/10/2010 - R.I.P.
Ducati Corse
 
Posts: 3,170
Join Date: Feb 2002
Mood: NGRRC Minitwins champion 2007
Quote:
Originally Posted by Gbyte666
I have noticed that my rear brake was failing on track days after a while. I noticed that if I touch the rear master brake cylnder it is too hot to touch. So probally boiling the fluid. Makes sence. But after a spin last night and not using the rear brake at all when I got home the whole area around the lower right hand side where the two pipe bend in is VERY HOT. Even the brake lever is to hot to touch, the clutch case is hot, even the right hand start of the foor peg is too hot. ???
Anyone had this problem, I can not see the pipes touching anything to conduct the heat from the pipes ??


Craig

It gets warm anayway because the master cyclinder is mounted on the engine cases.

It is made worse by having a full fairing on an air-cooled bike.

Are you sure you aren't slightly dragging the brake with your foot?

Lastly...what are you using your rear brake for? If you're braking hard enough with the front then the rear is pretty much useless anyway because there is no weight over the rear wheel to get any traction. I have never used mine in a race either wet or dry. It's for scrutineering only

Edit: My brake lever and my swinging arm on both my road and race 800ss bikes get very hot. If you are getting severe fade it will likely be caused by air/water vapour in the hydraulic fluid. Bleeding the rear brake can be a right tw*t of a job at times.

Last edited by twpd : 20-Aug-2009 at 18:37.
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