Valve shims 29mm? or 29.5mm?

[CliffHanger]

I went to the shop to pick up a valve shim.
When I checked the dimensions at home, I find that it is a 29mm in diameter, rather than 29.5.

This is not a Suzuki shim I assume? 
Can it be used as a reference shim when calculating proper valve clearance (like Kerry's 2.3mm)?
Or is it totally useless?

Thanks for the assistance,
CliffHanger

[beRto]

I went to the shop to pick up a valve shim.
When I checked the dimensions at home, I find that it is a 29mm in diameter, rather than 29.5.

This is not a Suzuki shim I assume? 

It may be Suzuki, but from a different model. As you already know, you should not use this smaller diameter shim in the GS500.

Can it be used as a reference shim when calculating proper valve clearance (like Kerry's 2.3mm)?
Or is it totally useless?

Per Jared/Kerry (http://gstwins.com/gsboard/index.php?topic=38827.msg436387#msg436387), you can use it as a reference shim. The smaller diameter will make the shim easier to get in/out.

Thanks for the assistance,
CliffHanger

No problem!

[The Buddha]

29mm is yamaha and I think kawi.
29.5 is GS.
Cool.
Buddha.

[gsJack]

29 mm is Yami, Kawi, and BMW.  Suzuki is 29.5.

http://www.crc2onlinecatalog.com/valve_shims.htm

[The Buddha]

That is so cool GSJack thanks ... I have a handful of yama shims ...
I dont think I've ever had a shim kawi ... KZ 440, eli's, vulcan's 454's all threaded or hydraulic.
Cool.
Buddha.