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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Check your brake fluid!
Post Info TOPIC: Check your brake fluid!
TTRfan


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Check your brake fluid!
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I know that it is a good idea to change brake fluid every few years but hadn't appreciated quite how old fluid can deteriorate over time until I opened a front brake master cylinder/reservoir today. I had already removed quite a bit of coagulated nasty gunk before I thought to take a couple of photos. Yuck crycry

Reservoir 1.jpg  Reservoir 2.jpg



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sid


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Looks nasty, how did the brake feel?
Replaced the fluid in mine about 2 years ago, was black. Is going dark again so due for replacement.

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TTRfan


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The brake worked absolutely fine - no indication that there was an issue inside the reservoir!



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ttboof


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Mine looks OK been in a few years. Might be because its a lot drier Here 

Still checked though thanks for the heads up 



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TTRfan


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Good point Les. The old fluid did look "watery" so maybe it needs checking more regularly in damp climates.



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JOHNYBOY


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they recon brake fluid draws moisture but the black colour could be the seal slightly breaking down john

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ttr steve


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Plenty of moisture in Hatherleighcry



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TerryK


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JOHNYBOY wrote:

they recon brake fluid draws moisture but the black colour could be the seal slightly breaking down john

 It does & is the main reason to replace the brake fluid, it the water content is high it can boil & have brake failure, once cooled the brakes come back. Reason for unexplained brake failures years ago but brake fluid has also improved over the years as well.



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