Rear Brake Drag - Kawasaki KLR 650 Forum
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post #1 of 15 Old 01-01-2013, 01:16 PM Thread Starter
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Location: Silver City, NM
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Rear Brake Drag

With back wheel an inch clear of the ground and trans in neutral, it takes 10# or more force applied to the rear wheel at the rim to move the wheel against brake drag. To me, this seems excessive and could well be whats costing me mileage.

When I put in the new 6.6 kg rear spring I had all that apart and installed new rear brake pads at the same time. Is it possible to put something in the wrong way to cause this ??

Thanks...............Lar.
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post #2 of 15 Old 01-01-2013, 02:24 PM
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You installed new pads in the rear...? Did you file off the paint around the edges of the pads? Do the pads float so to speak withing the caliper, they must or they will bind. Also when you reinstalled the rear wheel do you have the rear caliper attached to the swingarm? I normally take it off so it's easier to get the rear wheel on and positioned correctly then go after the caliper. Sometimes you accidentally bang the pads out of line when reinstalling the rear wheel and they bind. Take the caliper off and spin wheel, is it OK? If so then see how pads fit into caliper.....should be loose....ish.....if not file them, install them into caliper then install brake caliper onto bracket.....hope this helps.....

Willys
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post #3 of 15 Old 01-01-2013, 03:28 PM
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When I put in the new 6.6 kg rear spring I had all that apart and installed new rear brake pads at the same time. Is it possible to put something in the wrong way to cause this ??
Sounds like you installed the pads incorrectly. Metal clip thing. Remove and re-install.

Don't ride too far like that. Snakeboy66 had his installed incorrectly and they caught on fire on a ride we were on.

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post #4 of 15 Old 01-01-2013, 03:32 PM Thread Starter
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Quote:
Originally Posted by willys View Post
You installed new pads in the rear...? Did you file off the paint around the edges of the pads? Do the pads float so to speak withing the caliper, they must or they will bind. Also when you reinstalled the rear wheel do you have the rear caliper attached to the swingarm? I normally take it off so it's easier to get the rear wheel on and positioned correctly then go after the caliper. Sometimes you accidentally bang the pads out of line when reinstalling the rear wheel and they bind. Take the caliper off and spin wheel, is it OK? If so then see how pads fit into caliper.....should be loose....ish.....if not file them, install them into caliper then install brake caliper onto bracket.....hope this helps.....
Thanks, Willys.......I went into archives and then checked to make sure I had spacers on both sides of the wheel, made sure the disk was between the pads and on a friend's advice I bled the rear brake. Got 2 tiny - 1/16" - bubbles but no change.

Incidentally, I've read where people adjusting the rear brake by themselves had an awkward time of it. Permit me to introduce my new custom made brake adjusting assistant. Works very well and gives no back talk. Baling wire is still a good addition to the toolbox.........



The scratches on the fairing show up well here. Got all the tools and supplies, just gotta wait for a warm day to shoot them.

I'll go out in a few minutes and check the pads as you say. Gotta let numb fingers warm up a bit. Gettin' old sucks.

Thanks...........Lar.
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post #5 of 15 Old 01-01-2013, 03:36 PM Thread Starter
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With the bike on the centerstand and rear wheel about 1" clear of the ground, I started it up and put it in 1st gear. It was humming happily along, then I pulled in the clutch. Wheel went for maybe 1 - 2 revolutions before stopping. Same in 2nd gear.....both at idle speed.
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post #6 of 15 Old 01-01-2013, 05:01 PM Thread Starter
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Originally Posted by willys View Post
You installed new pads in the rear...? Did you file off the paint around the edges of the pads? Do the pads float so to speak withing the caliper, they must or they will bind. Also when you reinstalled the rear s.....
Don't you get tired of being right all the time ?? I did as you and Cabrito said - took the whole thing apart, cleaned everything, polished the edges of the pads, made sure the little spring was in place......found that the pins that hold the shoes in were pretty snug in the pad holes, so took a brass rifle cleaning brush and polished them out, then wire wheeled the pins.

Nothing I can really point to and say, "that was the problem," but the whole thing together made a huge difference. Everything in the caliper moves easily and I can easily spin the rear wheel by hand - after riding it a few feet and mashing down on the brake. Now I'm a much happier camper.

Thanks much...........Lar.
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post #7 of 15 Old 01-01-2013, 08:43 PM
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It's a curse I live with daily I'm afraid.....lol!

Willys
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post #8 of 15 Old 01-01-2013, 09:58 PM Thread Starter
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It's a curse I live with daily I'm afraid.....lol!
Bet yer wife won't back that up.........
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post #9 of 15 Old 01-01-2013, 10:05 PM
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Bet yer wife won't back that up.........

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post #10 of 15 Old 01-02-2013, 07:38 AM
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As we all know......women don't like know it all's, so I keep it hidden 99% of the time......it took years to learn that little gem.....lol

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