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McGee
O RLY?



Joined: 24 Jun 2005
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PostPosted: 21:33 - 20 Jun 2006    Post subject: Brake Pad Life Reply with quote

How long should a set of brake pad's last on a sports bike ?

I take it the rear lasts longer than the front, well it would in my case as I hardley use the rear Mr. Green


So how long have yours lasted ?
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Its pronounced Jixxer!
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VTR SP1
Brolly Dolly



Joined: 31 Aug 2004
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PostPosted: 22:15 - 20 Jun 2006    Post subject: Reply with quote

I changed some on a CBR at 14000 miles but unless your really heavy on the brakes or do a lot of trackdays they should last years.

SP1
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Jack_Cheese
World Chat Champion



Joined: 14 Jul 2005
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PostPosted: 23:15 - 20 Jun 2006    Post subject: Reply with quote

14,000 km for me. I hammer the front brake, my front tyre dies waaaaaaaay before my back.

Jack
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gixer6er
Derestricted Danger



Joined: 16 Mar 2006
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PostPosted: 23:24 - 20 Jun 2006    Post subject: Reply with quote

Shit, i've only done 6000 miles since my last change on the front and in need of a new set! the back seems to last forever! what pads do you find best, standard or aftermarket??? Question
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ram_doom
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Joined: 25 Mar 2006
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PostPosted: 23:30 - 20 Jun 2006    Post subject: Reply with quote

Mine used to continually become contaminated with fork oil due to a feked anti dive Laughing so about 500 miles up til now. Normal healthy bike's pads should last a good 5 - 8k
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craigs23
Mr Muscle



Joined: 08 Jun 2005
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PostPosted: 23:55 - 20 Jun 2006    Post subject: Reply with quote

Ask me in a few thousand miles. Weird, I always seem to be changing pads, but not because I've worn any out...... Confused
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 00:18 - 21 Jun 2006    Post subject: Reply with quote

Hi

For me it varies greatly with use and the make of pads.

My little RS125 eats brake pads. Averaged about 4000~5000 miles a set so far.

Bandit with stock pads of EBC pads lasted a bit over 10000 miles. Some Armstrong pads (bought because I needed some in a hurry) lasted over 20k and were still far from worn out (although wet weather braking degraded badly for some reason).

All the best

Keith
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McGee
O RLY?



Joined: 24 Jun 2005
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PostPosted: 00:22 - 21 Jun 2006    Post subject: Reply with quote

Cheers guys Thumbs Up

So whats causing my front end to judder under heavy braking ? Shocked

One guy has had the same problem and replacing the disc's didnt work for him.

And the warenty in this country does not cover brakes Mad
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Its pronounced Jixxer!
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 00:27 - 21 Jun 2006    Post subject: Reply with quote

Hi

What kind of judder?

Warped disks can caused this, but would probably be felt through the lever as well. Hard braking a slightly loose steering head bearings can cause the front end to judder around, but this is likely to accompanied by a clonk.

The FZ750 is juddering on the brakes and the disks do not appear to be warped. Only thing I can see is a mark on the disk where the pads had stuck in the past (sintered pads / cast iron disk, stick together when parked up when wet).

All the best

Keith
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McGee
O RLY?



Joined: 24 Jun 2005
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PostPosted: 00:36 - 21 Jun 2006    Post subject: Reply with quote

Kickstart wrote:


Warped disks can caused this, but would probably be felt through the lever as well. Hard braking a slightly loose steering head bearings can cause the front end to judder around, but this is likely to accompanied by a clonk.


Its kind of towards the end of braking and I cant think if I can feel it through the lever.

Its hard to describe but you most probably know what I mean. It only happens from a high speed to a stop, I was coming down the highway (yes I know its a motorway) and traffic was bad so I hit the next off ramp and from about 10 mph to stop it started like a vibration with the judder noise and stopped, I even tried to get it to happen again on the way home but I couldn't. This is the 3rd time in the past 2 months it has happend.
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Its pronounced Jixxer!
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 00:41 - 21 Jun 2006    Post subject: Reply with quote

Hi

Strange. To be honest cannot think of anything that would be likely to cause that.

Probably worth cleaning the calipers and disks up. Gets rid of all the dust and at least means you have a good look to spot anything more.

All the best

Keith
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McGee
O RLY?



Joined: 24 Jun 2005
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PostPosted: 00:44 - 21 Jun 2006    Post subject: Reply with quote

Cheers mate, appreciate the help Karma
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Its pronounced Jixxer!
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UrbanRacer
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Joined: 26 Jul 2005
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PostPosted: 11:17 - 21 Jun 2006    Post subject: Reply with quote

i get this aswell but my disc's are warped too at the moment and i'm waiting on a new set of EBC rotors being delivered.
I imagine the vibration to be brake dust and i'll be stripping and cleaning the calipers when the discs go on
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UrbanRacer
World Chat Champion



Joined: 26 Jul 2005
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PostPosted: 11:22 - 21 Jun 2006    Post subject: Reply with quote

ps. i changed the pads to HH Sintered ones and it made no difference to the vibrations
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tatters
Exxon Valdez



Joined: 04 Jan 2004
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PostPosted: 12:02 - 21 Jun 2006    Post subject: Reply with quote

I done about 4,000 miles on my current pads and theres about 40% worth of meat left, but my last set of front pads on the thunderace were almost down to the metal within 1000 miles after coming back from last years bull dog bash were l spent most of the time on the drag strip which would explain why the pads did,nt last long.
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Jack_Cheese
World Chat Champion



Joined: 14 Jul 2005
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PostPosted: 12:35 - 21 Jun 2006    Post subject: Reply with quote

UrbanRacer wrote:
ps. i changed the pads to HH Sintered ones and it made no difference to the vibrations


Maybe put some copper grease on the back of the pad?

Jack
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craigs23
Mr Muscle



Joined: 08 Jun 2005
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PostPosted: 12:21 - 22 Jun 2006    Post subject: Reply with quote

Kickstart wrote:
Hi

What kind of judder?

Warped disks can caused this, but would probably be felt through the lever as well. Hard braking a slightly loose steering head bearings can cause the front end to judder around, but this is likely to accompanied by a clonk.

The FZ750 is juddering on the brakes and the disks do not appear to be warped. Only thing I can see is a mark on the disk where the pads had stuck in the past (sintered pads / cast iron disk, stick together when parked up when wet).

All the best

Keith


Not sure if I can bend your ear to a similar sympton:

My bike judders only at low speed with minimal lever input. No knocking noises though, no pulsing lever. Headraces changed 2000 miles ago and haven't had any huge wheelies since. Steering is free and smooth. Discs seem true and don't bind, calliper internals fully serviced, recent Nissin pads on standard discs. Tyres are good, 36psi standard pressure, wheel is true and unscathed.

I wonder if it's the damper positioning (mine sits beneath the top yoke bolted to the clock stay).

Any other possiblities?

Confused
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the grim reaper
World Chat Champion



Joined: 29 Jun 2005
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PostPosted: 12:25 - 22 Jun 2006    Post subject: Reply with quote

Change your fork oil, could be the forks locking due to old oil. On bikes like the Yam Thundercat (i.e softly sprung as standard) it is very easy to bottom out the forks under heavy braking, mind you, that's like riding a pneumatic drill Mr. Green

Cheers

Grim
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craigs23
Mr Muscle



Joined: 08 Jun 2005
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PostPosted: 12:26 - 22 Jun 2006    Post subject: Reply with quote

the grim reaper wrote:
Change your fork oil, could be the forks locking due to old oil. On bikes like the Yam Thundercat (i.e softly sprung as standard) it is very easy to bottom out the forks under heavy braking, mind you, that's like riding a pneumatic drill Mr. Green

Cheers

Grim


Can't be that unfortunately, forks fully serviced with new springs, oil, bushes, etc (unless you're referring to McGee's symptons?)
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the grim reaper
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Joined: 29 Jun 2005
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PostPosted: 12:28 - 22 Jun 2006    Post subject: Reply with quote

craigs23 wrote:
the grim reaper wrote:
Change your fork oil, could be the forks locking due to old oil. On bikes like the Yam Thundercat (i.e softly sprung as standard) it is very easy to bottom out the forks under heavy braking, mind you, that's like riding a pneumatic drill Mr. Green

Cheers

Grim


Can't be that unfortunately, forks fully serviced with new springs, oil, bushes, etc (unless you're referring to McGee's symptons?)


No, yours Very Happy

Have you checked the front wheel bearings?

Cheers

Grim
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Adverts don't always work: Remember that advert, where the army are running across the desert and they have a wounded man on a stretcher. They get to a ravine, the bridge is down and a caption pops up that says, 'What are you thinking?'. I don't know about you but I was thinking, 'Christ, I'm glad I'm not in the f***ing army'.
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craigs23
Mr Muscle



Joined: 08 Jun 2005
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PostPosted: 12:30 - 22 Jun 2006    Post subject: Reply with quote

Checked, but not replaced - seemed in good working order when I fitted the Diablos (nicely greased up too).

Maybe I should have had them replaced along with everything else. Confused
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Kickstart
The Oracle



Joined: 04 Feb 2002
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PostPosted: 20:25 - 22 Jun 2006    Post subject: Reply with quote

Hi

To be honest, nothing definate I can think of. Sounds like you have checked most things. As mentioned above might be a good idea to check the wheel bearings more carefully, but I think that enough wear to cause a problem like this would be obvious. Also work checking the fork bushes.

Don't think it will be the steering damper.

All the best

Keith
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