Vintage BMW Motorcycle Owners

1964 R50/2

So I'm at the point I'm reinstalling (did not disassemble... this is from a pile of parts) a new 9mm clutch plate into a a flywheel/spring/pressure plate assembly. My "pile of parts" did not have the (6) hardened spacers indicated in the Barrington book. the book says, "Should you want to put in the spacers..." Well, I looked at Vech's site, and I assume that if I go with my 9mm clutch plate, I *NEED* the spacers between flywheel and pressure plate, correct? Do I have it right that the typical 5mm or 7mm clutch plate could do without them.

Looking for confirmation. I already have them on order.

Thanks!
--Chris

Could you show us pictures of what you have ready to install?

Here are some pics.
The rear flywheel in the engine case
And the stack of spring, drive plate, clutch plate, and pressure plate in the order they go.
It’s about shimming the pressure plate with the hardened spacers.

Yep you need them

That is a fat clutch plate!!! Is this for sidecar duty? Or? I have the later/new manufacture diaphragm spring on my R69S and was told later it is from a R90S (?) and it is too stiff com pared to original. Next time trans is off I am installing the old,original spring. Long story short,new springs may be not to original spec.

Read and realized this is for early bike! Wow...

So maybe I shouldn’t have bought the 9mm.
But I guess to use it, I’ll put in the shim washers.
No biggie. I’ll get it together. Thanks.
—Chris

Not ruling out a future sidecar.

Hi! I will be installing an NOS clutch kit. I am interested in what you actually used. On Barrington they talk about two types. I have what you showed in your photos (my project is a 1955 R50, low VIN #).

I would appreciate clarification.

Regards,

Ken Cruise

Spacers are 6X with 15.90 x 8.50 x 4.00 mm thick.. I won't believe needs to be hardened steel, since they are just a spacer without movement. (can be turned from a 8.8 grade bolt)

You can purchase $14.00 each or turn on a lathe for a few Pennys, maybe some beers for a friend.

Disc seems to be a refurbished unit or replica, some are riveted and glued disc, with some lateral channels or grooves that helps to wipe dust away from disc surface, reducing the chance of glazing..