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redflash
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« on: May 14, 2011, 08:00:31 PM » |
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I'm ridin an '03 Fast Black standard with 73K on her. Change the brake fluid every other season. Last year, on damper or more humid days, the brake lever got "creaky" on me. On dry days it does not do this. Also, when it creaks, it kind of jitters in it's travel, thus applying the brakes in a non-linear fashion. It is not the pivot bolt, that is plenty greased. Master cylinder problem? Needs a rebuild kit? I wanna fix it before I do the Rolling Thunder run for 5 days on Mem weekend. Any input is welcome, thank you!
Tim
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redflash
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« Reply #1 on: May 14, 2011, 08:50:10 PM » |
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oh, and I have spoon levers on her, fyi. Could it be the aluminum against the master cylinder pushrod doing this? I believe I took it apart and greased that as well, to no avail.
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Michvalk
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« Reply #2 on: May 15, 2011, 04:08:07 AM » |
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My "guess" would be the master needs a rebuild. Assuming the levers are not just replaced and everything is lubed up, the only thing left to cause problems like that would be the seals in the master. Not that expensive or time consuming to do the rebuild, so would be the next step  |
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fudgie
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Posts: 10616
Better to be judged by 12, then carried by 6.
Huntington Indiana
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« Reply #3 on: May 15, 2011, 04:33:41 AM » |
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My clutch gets squeaky. But this is when I let it out real slow. Done it for years. Lube helped but i dont pay attention to much anymore.
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 Now you're in the world of the wolves... And we welcome all you sheep... VRCC-#7196 VRCCDS-#0175 DTR PGR |
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Chrisj CMA
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« Reply #4 on: May 15, 2011, 04:44:46 AM » |
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sometimes the aftermarket handles arent finished very well where the tab presses on the pushrod of the mastercylinder. try a small piece of emory cloth and smoothe it out maybe he end of the pushrod then a tiny dap of some waterproof grease
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Jess from VA
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« Reply #5 on: May 15, 2011, 06:18:37 AM » |
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Sometimes the little brass bushing in the lever gets worn and out of round, and needs replaced.
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BradValk48237
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« Reply #6 on: May 15, 2011, 07:17:14 AM » |
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New bushing and grease will make it go away...
B
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Ricky-D
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« Reply #7 on: May 15, 2011, 08:26:11 AM » |
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I would not suggest grease for a couple of reasons.
One is that grease will hold road grime and accelerate wear on the moving parts.
Second is that grease will give you a false comfort in feeling you've done a long lasting treatment.
The levers and assemblies are in the elements constantly being assaulted with everything the road and weather can throw at it.
Generous oiling, is the answer, doing it every couple of weeks in the worst riding conditions (like rain) and at least every month to keep them smooth and working properly.
***
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2000_Valkyrie_Interstate
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GOOSE
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Posts: 704
D.S. #: 1643
Southwest Virginia
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« Reply #8 on: May 15, 2011, 10:01:54 AM » |
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the bushing will not do him any good, because if i am reading right he is NOT talking about the clutch lever-he is talking about the brake lever. that being the case here.... i would first put a small dab of dielectric grease on the cointact patch of the piston and lever/take some QD-ELECTRONIC CLEANER and thourally clean the calipers and discs/and re-lube the floating pins on both calipers. if that didn't work, and i think it will, then you might have to do a re-build on both front calipers.
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Brian
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« Reply #9 on: May 16, 2011, 04:27:46 PM » |
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A little spray of lube on the pivot of the clutch cleared up that creaking noise, also sprayed the brake lever at the same time. |
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GOOSE
Member
Posts: 704
D.S. #: 1643
Southwest Virginia
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« Reply #10 on: May 16, 2011, 09:22:06 PM » |
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am i reading this all wrong? isn't he talking about the brake lever, and NOT THE CLUTCH LEVER? the brake lever has no brass bushing.
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lucky_1_chris
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« Reply #11 on: May 16, 2011, 10:06:35 PM » |
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I had the same exact problem.
Feels like the brakes are grabbing in steps, not a smooth gradual increase in pressure?
The brake lever was dry and dirty causing it to hang up. Removing and cleaning/greasing the lever did the trick. Good luck.
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1999 Valkyrie Interstate
2016 Victory Cross Country Tour
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X Ring
Member
Posts: 3626
VRCC #27389, VRCCDS #204
The Landmass Between Mobile And New Orleans
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« Reply #12 on: May 17, 2011, 08:46:30 AM » |
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One of the things I've noticed with Kury levers is they are not as thick in the pivot area as slot in the master cylinder and allow the lever to move at an angle causing them to twist and bind. I place a thin teflon washer (bushing?) above and below the lever to take up the slack and prevent the binding plus the it has some lubicating qualities.
Marty
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People are more passionately opposed to wearing fur than leather because it's safer to harass rich women than bikers.  |
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redflash
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« Reply #13 on: May 18, 2011, 05:51:38 PM » |
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Lucky_1_Chris has it, non-linear feeling, notchy. I'll pull the lever, check the contact patch where the pushrod hits it and the pivot point of thel ever, bushing or not. I'd like to get this fixed soon, whatever it is because I get either too little or too much brake when dealing with it.
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redflash
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« Reply #14 on: June 07, 2011, 02:04:48 PM » |
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Well I finally got some free time to get in there and have a look. The Kury spoon brake levers do have a brass bushing, but it wasn't a problem. Where the lever contacts the pushrod of the master cylinder was dry and not very smooth. I used some 320 grit emery cloth to smooth it and added a touch of synthetic red grease and reassembled it. It feels great now and hopefully I'll get a test ride after suppertime. Thank you all for your input, I'll report back how it works later  |
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redflash
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« Reply #15 on: June 09, 2011, 12:16:18 PM » |
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after nearly 200 miles, it feels great! Nice linear feeling, brakes feel like new! Thanks for the suggestions folks!
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