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pporfirio

Joined:

May 09

Posts: 15

pporfirio says:

Diavel brake issue

Hi there,

I got my Diavel to commute to work. That replaced my CB1000R. I have been using the Diavel pretty much everyday since I bought it, but after a month or so it felt as if the discs were warped, but only at low speeds (under 15km/h, what unfortunately is a speed I am at a lot going through central London everyday). The guys at the dealer, as always, were fantastic, and changed the pads 3 times, and the disc, and while the problem would go away for a while, it ended up coming back every time.

December came and I had to travel for the whole week on business, so I left the bike at the garage, as the problem was driving me nuts as speeds during the winter commute are even lower…. After a lot of work the dealer found out that the wheel was the problem - the disc was warped on the wheel I have now, but not on one of their bikes. The wheel took a week or so to arrive, and they replaced it (and the tires, lasted about 4,500 miles, not bad).

But after a couple of hundred miles the wabling at low speeds is back!!!!! It is really something. I will take the bike back but looking for ideas if anyone can help!


Again, it only happens at speeds bellow 10 miles an hour and gentle breaking....

Thanks, Pedro

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  • Posted 3 years ago (02 January 2012 16:38)

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jaffa90

Joined:

Mar 09

Posts: 8817

jaffa90 says:

wobble

Is the new front tyre the same as the original and what is it?

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pporfirio

Joined:

May 09

Posts: 15

pporfirio says:

Same tyre...

Same tyre as the original. Pirelli Diable Rosso.

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jaffa90

Joined:

Mar 09

Posts: 8817

jaffa90 says:

wobble

Have you tried using the back brake only since it`s around 10mph?

Meaning any change of feel. 

[This Reply has been modified by the Author]

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pporfirio

Joined:

May 09

Posts: 15

pporfirio says:

Of course!

The back brake is fine. But it is annoying in town as you tend to change to neutral on long waits on traffic lights and etc, plus I noticed when you start using it too much it changes your behaviour and you tend to go for it instead of the front break. Not good at all when that idiot pulls in front of you.... :blink:

By the way, thanks for the wobbling correction.... I was looking for the proper word.... :tongue:

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jaffa90

Joined:

Mar 09

Posts: 8817

jaffa90 says:

wobble

No, no, no,have you less wobble then when not using front brake at low speed?

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pporfirio

Joined:

May 09

Posts: 15

pporfirio says:

No wobble with the back brake

No wobble at all using the back brake. Wobble only under 10mph on gentle braking with the front brakes.

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jaffa90

Joined:

Mar 09

Posts: 8817

jaffa90 says:

wobble

All you can do is check the (second) tyre fitment by looking for that rubber bead about 5mm from the rim edge full circle on both sides.Also after stopping feel the discs full circle both sides on each discs for hot/cold spots/sides.

It could be a suspension problem on the initial shock.

What ever you do don`t adjust anything. 

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jaffa90

Joined:

Mar 09

Posts: 8817

jaffa90 says:

wobble

All you can do is check the (second) tyre fitment by looking for that rubber bead about 5mm from the rim edge full circle on both sides.Also after stopping feel the discs full circle both sides on each discs for hot/cold spots/sides.

It could be a suspension problem on the initial shock.

What ever you do don`t adjust anything. 

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bbstrikesagain

Joined:

Nov 08

Posts: 878

wobble

are we talking a pulsing in the braking action, is that what's causing the wobble?


If you spin the new front wheel by hand are the discs running completely true, or catching as they spin?

Did the dealer really check the caliper pistons when replacing the pads - could one be dragging due to dirt and salt, or even sticking from new?

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pporfirio

Joined:

May 09

Posts: 15

pporfirio says:

Pads and others

When you raise the front wheel and rotate the wheel, you can hear the pads touching the brake. It is on the same place where the disc is out by 15 microns.

Yes, I have the pulsing effect when breaking, but only at low speeds and gnetle breaking.

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