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unusual braking issue
- Shaolinwind
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Post edited by: Shaolinwind, at: 2007/05/08 21:05
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- Sandy
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- Fly High,Tony
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1977 KZ1000 A-1
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- wireman
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- pstrbrc
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- '81 GPz 1100 project
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Not sure I'd trust a mechanic who'd never seen that before. Your master cylinder seal leaks just a little. So when you pull hard, it doesn't leak as much as your piston travel displaces, so you have hydraulic pressure going to your brake cylinder. But when you pull lightly, you're only asking the piston to displace as much hydraulic fluid as your leaking seal allows to pass. No extra pressure for the brake. The warning for you is this: you're just one good hard squeeze away from your master cylinder seal completely giving up, and then it won't matter how much you squeeze, there won't be any brake. Get it rebuilt NOW. Your bike has given you all the warning you will get.
\'81 GPz 1100 project
Elkhart, Kansas USA
\"Man does not control his own fate. The women in his life do that for him.\" Groucho Marx
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- Sandy
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Hmmm...
Not sure I'd trust a mechanic who'd never seen that before. Your master cylinder seal leaks just a little. So when you pull hard, it doesn't leak as much as your piston travel displaces, so you have hydraulic pressure going to your brake cylinder. But when you pull lightly, you're only asking the piston to displace as much hydraulic fluid as your leaking seal allows to pass. No extra pressure for the brake. The warning for you is this: you're just one good hard squeeze away from your master cylinder seal completely giving up, and then it won't matter how much you squeeze, there won't be any brake. Get it rebuilt NOW. Your bike has given you all the warning you will get.
EXACTLY!
I thought about that too,after I re-read the post a while later...what Mechanic wouldn't recognize those symptoms??:huh:
1977 KZ1000 A-1
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- mark1122
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- Keep twisting it
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Post edited by: mark1122, at: 2007/05/09 01:45
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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