Paper shims under rotor??

ferretboy · Post by **ferretboy** » Mon Apr 11, 2011 1:03 pm

Hi
I currently have paper shims under my front rotor (ZZR250) to prevent braking vibration. Should I replace it or will it be sweet as is.

Background:
I had severe brake vibration and I assumed it was a warped disc. out by 0.3mm with dial indicator.
I bought a new one from S3 and thought that this one also warped after a couple of months (wasn't installed with dial indicator.. idiot). I had this rotor remachined by S3 (thanks Jeff). But when I reinstalled it using a dial indicator this time, it was still out by 0.3mm. Tried rotating the disc around 180 degrees and wallah. Mounting surface is out.
So to get me out of trouble I cut out paper washers for under rotor studs (different quantity for each stud, not bad for 12pm on a Friday night). After removing wheel and testing a zillion times I'm now now back to 0.05mm and a very happy camper. Spent over $200 and fixed it with a piece of paper.
Now my work buddies are trying to convince me that paper shims are dodgy and will wash out (what do they know). I'm not convinced due to the pressure from the studs on the rotor, where can it go? (and I don't want to pull the front wheel off another zillion times, to get it spot on with plastic or brass).

Who is right?

Cheers
Col

Strika · Post by **Strika** » Mon Apr 11, 2011 1:57 pm

Did you use that dodgy Chinese paper or the quality Aussie stuff?

6maniac · Post by **6maniac** » Mon Apr 11, 2011 7:34 pm

Sulli · Post by **Sulli** » Mon Apr 11, 2011 8:02 pm

Actually to do it properly you need to do the reading hot as most disc vibration disappear when hot

How ever paper gasket have reduced oil leaks for hundreds of years

ask the Egyptians

6maniac · Post by **6maniac** » Mon Apr 11, 2011 8:06 pm

Sulli wrote:...... How ever paper gasket have reduced oil leaks for hundreds of years ask the Egyptians

The Egyptians rode Triumphs ??

laidback · Post by **laidback** » Mon Apr 11, 2011 8:09 pm

6maniac wrote:
Sulli wrote:...... How ever paper gasket have reduced oil leaks for hundreds of years ask the Egyptians
The Egyptians rode Triumphs ??

Hehehehehehe

Gosling1 · Post by **Gosling1** » Mon Apr 11, 2011 10:10 pm

Kelloggs packets are far better for shims.

mick_dundee · Post by **mick_dundee** » Tue Apr 12, 2011 3:00 am

I would have tohught Sanitarium or Uncle tobys would be a far healthier choice than Kelloggs Gos but you're far more mechanically adept than me so i'll surrender to your advanced age/experience

the kid · Post by **the kid** » Tue Apr 12, 2011 7:47 am

I like you resourcefullness Col

I also like the clowns on KSRC and the education they offer

Kawasaki Sportsbike Riders Club - Australia - Online Forum

Paper shims under rotor??

Paper shims under rotor??

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