floating discs with circlip

[A100man]

On my latest bike the disc has worn down to below limit..
Can you replace just the outer by removing the rivet/bobbins wit teh circlip? Its a 316mm disc diameter but I'm not sure if this is generic part.
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Now: A100, GT250A, XJ598, FZ750

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600

[stinkwheel]

I think you technically can but I've never known anyone do it. Not sure if they even supply seperate rotors. I've always thought that by the time the rotor is worn out, the centre and bobbins will be decidedly second hand too.
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[MarJay]

Yes, but don't do it.

Buying the outer and the bobbins will cost more than a brand new EBC disc.
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.

[A100man]

Thanks for the tips. I think a new disc complete is about £180 - does that sound about right?
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Now: A100, GT250A, XJ598, FZ750

Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600

[MarJay]

[sickpup]

Yes I've done it.

ABE used to supply the outer for a CB400 (Pre-Super four) that you rebuilt on the original centre.
The rivets were a press fit and you needed a flypress the fit them. If the disc was off you then needed a lathe to skim the back of the centre to correct it.

I think Brembo and someone else used to also supply discs which were fitted using circliped bobbins but I've not seen them for sometime.

Unless you have access to an engineering workshop just buy complete discs.