Vintage BMW Motorcycle Owners

More fun reading.

Lee

Just wondering, Most of the time when I see BMW frame numbers they have a roundel stamped before and after them. The couple of R5’s and R6’s from 1937 I have seen the roundels have been omitted. Was that germane to those models in that year? I thought I read once that they were but can’t seem to rem...

Clean parts scan from 1942.

Lee

More fun reading.

Lee

Is amazing what you can find on the BMW group archive site.

Lee

Who did you source your crankshaft from?
Is RRC the same as www.rrc-tuning.de?

Thank you,

Lee

Baffles or not? On my R52 the baffle at the end of the header pipes has the welded on end cap removed, assuming its suppose to have one. Also, the second baffle that goes into the rear of the expansion chamber under the floor boards is missing. So, for all intents and purposes I have straight pipes....

Hello,

I am restoring a R67.
Anyone out there have thoughts on the drive shaft bell housing.
The one i have looks to have been cast with a cast finish and has rectangle hole for install/removal.

Thank for any information.

Lee

Does anyone out there know what the number cast into the top of the timing case on R52, R62 and possible R11 S1 mean?
Most seem to have a smooth case, but some look to have a 3 or a 4 cast into it.

Thanks for any information.

Lee

Hello,

Kickstarter gear is done "made out of P20" and has been dry fit in the transmission, works.
Now need to get it case harden.

Take care,

Lee