cork
stranger
Reged: 15/02/2009
Posts: 1
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just started my bike up after 6 months in garage back brake pedal just goes down without operating brake. is it the master clynder or do I just need to bleed them .
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chappers
Carpal \'Tunnel
Reged: 31/12/2006
Posts: 6701
Loc: Mind your own business
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bleedum.
-------------------- Say what you think and think what you say.
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konceppt
newbie
Reged: 29/12/2007
Posts: 46
Loc: essex/london
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if you just parked it up and came back later to find it like that then you have an issue.have you lost fluid?
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brett54
journeyman
Reged: 24/03/2009
Posts: 60
Loc: Brisbane, Australia
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Brake fluid is also hydroscopic (it sucks in water). So 6 months sitting still, not getting hot, would be a good time to replace all the fluid.
-------------------- Suzuki GSXR-750-k5
Yamaha TTR-250
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BigHam
veteran
Reged: 12/11/2006
Posts: 1420
Loc: Letchworth, UK
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Quote:
Brake fluid is also hydroscopic (it sucks in water). So 6 months sitting still, not getting hot, would be a good time to replace all the fluid.
Not saying that's a bad idea, but water in the fluid wouldn't cause the lever to be spongey until the fluid had heated up.
It just needs a bleed, but a front AND rear fluid change is a good idea. Especially if the fluid seems darker than normal.
-------------------- Where there's a will and Gaffa Tape there's a way!
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TheDuke
stranger
Reged: 15/08/2008
Posts: 11
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I would start by making sure the caliper hasn't seized, then bleed fresh fluid right through the system. It could be the master cylinder in which case a seal kit should fix it.
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