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Administrator 07-11-2008 11:20 AM

BMW Motorcycle History
 
Original Article:
BMW Motorcycle History

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mscuddy 07-11-2008 12:38 PM

Ah yes, the "Readers Digest" condensed history of BMW. Some pictures would have been nice...'specially the wartime models. Beats a poke in the eye with a sharpened drive shaft I guess...

Kenneth_Moore 07-11-2008 12:48 PM

Quote:

Originally Posted by mscuddy (Post 188924)
Ah yes, the "Readers Digest" condensed history of BMW. Some pictures would have been nice...'specially the wartime models. Beats a poke in the eye with a sharpened drive shaft I guess...

I keep thinking of: "History of the World Part I." "It's good to be the King!"

krapschloss 03-10-2010 12:54 PM

About 1949 R 51/2
 
You are dead wrong about 'mainbearing problems' on this bike (also, the R50/2 was introduced about five years later, not in '49).I had an R51/2 in the mid sixties, and when I traded it on an a new R60, it had over 70,000 miles on it.No main bearing problems, ever.I am currently putting together an R 51/2 basket case of unknown mileage, but it has to be well over 150,000. The original drive end mainbearing was still useable, the front not so, but what the hell.All in all, the R 51/2 is an exceptionally long running and reliable bike, in my experience. It had twin cams, which makes it interesting, and a good candidate for vintage racing too.

mscuddy 03-10-2010 02:29 PM

But what about the '38 500cc supercharged racing machines that used the "phancooken" pistons and the variable wet/dry timer? They had twin-cams and were nortorious for ruining main bearings, until the "phancookens" were replaced by "Phartzkuggers". Completely solved the issue.

seruzawa 03-10-2010 04:02 PM

Nothing about the secret commies in the sidestand development team who attempted to take down western civilzation?

sarnali2 03-11-2010 07:26 AM

When I was a Beemerphile in the late 80's/ early 90's I bought this book called "BMW Motorrader Typen und Technik" detailing the different models with photo's and engineering drawings, of course it was all in Jeeman but still makes an interesting coffee table book. Right next to Roland Brown's "Superbikes of the Seventies"


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