Rear BRAKES! - Kawasaki KLR 650 Forum
1987 to 2007 Wrenching & Mods For maintaining, repair or modifications of Generation 1 KLR's. 2007 and earlier.

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post #1 of 4 Old 06-03-2009, 10:12 AM Thread Starter
Join Date: Jun 2008
Posts: 19

Ok let me start this off. 1996 KLR 650. This past fall the rear brakes were working great. I could at least lock them up on dirt or on grass. This past sping when I started riding i noticed that the rear brakes where not working very well. I know the klr does not have the best brakes to begin with but they would not even slide on wet grass. They felt kind of mushy so I proceded to bleed them. This gave me a little more but not much. They have since gotten worse. So bad I can move the bike with the rear brakes all the way down. I have continued to bleed with no results.

Now here is what I have done so far.
I have replaced the pads. No help
When I replaced the brakes I cleaned and checked the piston to make sure it was moving freely.
I have drained and replaced the brake fulid. No help
I have checked the brake lines and have no leaks.
It seems that air is getting in the system, at least that is what if feels like when you press the pedal.

I have been told by the local shop to rebuild the Master cylinder. They said that these have been know to go bad over time and with my bike being 13 years old it would be a good thing to do. I have found the rebuild kit at Is oemcycle a good place to by from?I have also been told that over time the rubber brake lines can give when pressing the brake and to replace the old lines with steel braided ones.

If anyone has any suggestions please let me know.

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post #2 of 4 Old 06-03-2009, 10:26 AM
3rd Gear
BIGIRON's Avatar
Join Date: Nov 2007
Location: Corpus Christi, TX
Posts: 704
No advice re the rest of it, but I did the steel brake line. Didn't seem to make any difference. I've pretty much done the rest with no change (I've not rebuilt the mastercylinder).

I've just learned to live with it.
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post #3 of 4 Old 06-04-2009, 10:21 AM
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Join Date: Oct 2006
Location: London, Ohio
Posts: 1,123
One thing I've found and it's simple. Take some break cleaner and wash the rotor down real good. Residue and debris can build up reducing friction.

*** KLR650, Tweeting long before your kids thought it was cool.

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post #4 of 4 Old 06-14-2009, 08:34 AM
Join Date: Jun 2009
Posts: 16
I have the complete rear brake system for sale $40, $50 shipped
chuckklr98 is offline  
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