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Wardamneagle
Posted on Tuesday, February 10, 2009 - 01:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Whenever I'm on my front brakes it kinda buffets and doesn't brake smoothly. The PO told me that the same thing happened to him before and so replaced the stock rotor and put some Linthal Golds on.

Have any of you experienced this or know if there might be something set up wrong on my bike that would make it do this?

Thanks,


Garrett
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Ft_bstrd
Posted on Tuesday, February 10, 2009 - 01:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Are you running stock pads or are the Lyndall's still on the bike?

The stock pads suck and WILL cause brake dust build up.

The other thing you might check is brake dust build up in the mounting hardware. It allows the rotor to get in a bind and not float properly.

Any chance it got dinged in the fray?
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Corporatemonkey
Posted on Tuesday, February 10, 2009 - 03:25 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

he stock pads suck and WILL cause brake dust build up.

+1

The rotors love to pick up grime, they will pulse unless cleaned.
I have been meaning to address my rotor issue for about a year, I just keep putting it off.
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Wardamneagle
Posted on Tuesday, February 10, 2009 - 10:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

It still has the Lyndalls on it. I will check the hardware and look for brake dust build up.

Thanks
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Xb12mel
Posted on Tuesday, February 10, 2009 - 04:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Mine does it, I just accepted it as a result of what looks like hot spots on the rotor. (those lil dark gray spots between the holes) Since it's my first bike I didn't know if it was caused by improper breaking due to lack of experience. I hardly even notice it now.
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Jetjock
Posted on Tuesday, February 10, 2009 - 07:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

My Uly did this with stock pads too. I'd warped the rotor -- replaced it with a new, true rotor & it works as good as new -- still with stock pads.
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Nillaice
Posted on Tuesday, February 10, 2009 - 08:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

i scrubbed my rotor clean with some fine grit sandpaper. it still came back.

i switched to sintered pads and have had no problems
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Froggy
Posted on Tuesday, February 10, 2009 - 08:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Heres a tip, use the rear brake instead of the front to hold the bike at stops. It will prevent this from ever being an issue regardless of pads or rotors.
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Ft_bstrd
Posted on Tuesday, February 10, 2009 - 08:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Heres a tip, use the rear brake instead of the front to hold the bike at stops. It will prevent this from ever being an issue regardless of pads or rotors.

True dat!
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Paint_shaker
Posted on Tuesday, February 10, 2009 - 08:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

They put a rear brake on these things??? LOL!! But seriously, I rarely if ever use it, especially when I am already stopped.
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Wardamneagle
Posted on Tuesday, February 10, 2009 - 11:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm glad to see that I'm not the only one with these issues. I generally do you use my rear brake while stopped.
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Andymnelson
Posted on Tuesday, February 10, 2009 - 11:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"The stock pads suck and WILL cause brake dust build up."

I dunno about all that. I use stock pads, I ride hard and often brake hard up to lights. I naturally sit at lights in neutral and without the brakes applied tho. Never had any issues with warped or pulsing anything up front. Like the others said- just don't hold the front brake clamped down whilst stopped.

Oh yeah, if you go to clean them- DON'T get the brake cleaner on your wheels if they are powdercoated...many here have ruined their wheels that way.
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Wardamneagle
Posted on Wednesday, February 11, 2009 - 02:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks for the heads-up about the brake cleaner. I think i had heard that before
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Ourdee
Posted on Wednesday, February 11, 2009 - 02:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I always leave it in gear at a light. I've been hit in the rear 4 times.
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Froggy
Posted on Wednesday, February 11, 2009 - 02:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

You might want to eat a little more then so your more noticeable ; )
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Arctic_firebolt
Posted on Monday, February 16, 2009 - 08:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have this problem on my '08. I brought it to HD and was told it is perfectly normal. They assured me after talking with, "the motor company", everything is fine. Not buying that, I started a thread on this too not long ago. The front brake on these bikes is supposed to be one of the engineering advantages over other makes. Having it pulse like that during normal riding is unacceptable.

I have cleaned my rotor but afraid to use the brake cleaner because I know it will ruin the wheels. It goes away very briefly then returns. I always stay in gear at a stop and hold the front brake as I do. That is what they teach you in the safety rider course but who knows.

I think I will try the Lyndall pads. eventually.
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Brumbear
Posted on Monday, February 16, 2009 - 08:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I got tapped once by a hasidic jewish guy in the NJ turnpike toll booth exit 10 to be exact. The guy says I deeddn't heet you I was even laughing at that no major problems bike didn't even go down but now I always watch and am ready
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Arctic_firebolt
Posted on Monday, February 16, 2009 - 09:00 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I hear you. I remember my days on the NJTPK. The GS Parkway was even better! LOL!

I spend more time looking in my mirrors when stopped than the traffic light overhead.
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Paul_in_japan
Posted on Monday, February 16, 2009 - 09:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I have crappy brakes too. When i changed them to non stock pads there were awesome until they went crappy again. When they were good i couldn't believe how good they were. I have a theory.

I think the holes, where the springs are seated behind the rotor, fill up with dust and crap. this prevents the the springs from fully compressing and the rotor from floating properly. When one fixture doesn't float as well as the others, this might cause the pulsating front brake that others have felt. Its hard to clean those holes though. Its a pity you cant take it off with having to replace all the bolts.
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Arctic_firebolt
Posted on Monday, February 16, 2009 - 08:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hey Paul. I cleaned the rotor real well this weekend. The brakes were smooth for a short while. Then tonight, only 2 days later the clunking and pulsing returned.

I think I will have to remove the caliper and clean them out thoroughly as well to see if that helps. Once the pads are spent I am definitely going with another brand. Either Lyndall or Ferodo.
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Petebueller
Posted on Tuesday, February 17, 2009 - 07:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

2,000 km from new my bike was like riding a jackhammer through the hills. OK around town but after a little action the front brake was a real pain.

Some friends had new rotors under warranty. At the time I was having problems you needed to show the disk was warped out of tolerance, so I bought a Braking Brand Wave Disk and it cured it. I've done 25,000 km on the rotor and apart from the fact that it helps me stop I don't know it's there. I put Lyndall Gold+ pads on later, but not because of shudder.

On American Sport Bike they call it a scalloped something (search on scalloped). I think there is a trademark or product registration thing with the term Wave Rotor.

I've seen the springs cause problems as well, but it is usually more of a rattle than a shudder.
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Arctic_firebolt
Posted on Tuesday, February 17, 2009 - 03:46 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I love it Pete!

YOU!!! needed to show it was out of tolerance....

So in the end we all solve the problems ourselves and at our own expense. Then they wonder why service revenue is so low? I try to do all my own maintenance and repairs not just to save the money but because i haven't been happy with the value I get for my service dollar.

Thanx for the tip. I will look into that rotor as well when I change the pads.
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