Another BMW Motorcycle Restoration: Jon Dieman's 1976 R90/6


| 8/7/2012 11:04:34 AM


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Editor's note: Inspired by the Motorcycle Classics/Dairyland Cycle Rebuild, reader Jon Dieman, sent in these photos of his rebuilt 1976 BMW R90/6 as his vote for which bike we should choose, along with the following letter. 

I bought my BMW R90/6 new in September 1976, looking just like your picture but with a 5-1/2-gallon tank. Two years later, a "little old lady" in her Plymouth folded the forks back against the engine. After four years in a box, I started the rebuild. I wanted to keep it original in its mechanics while giving it a lighter and leaner look.

Jon Dieman's 1976 BMW R90/6 

The changes:

1. A 21-inch front rim and spokes from the BMW R80GS. 300x21 Avon Speedmaster Mark II tire.



2. The frame straightened by J. C. Duke of Tulsa, Okla. with a little extra rake to keep the bike level with the larger front wheel.

HighcountryHunter
7/30/2018 11:39:47 PM

I found the image on google but sadly can't see it in this article. I just bought the same exact bike and have some things I'd like to do to mine too. It has the smaller tank but I'd actually like to have the larger one. Too bad our timing was off and we could have swapped! I can't find a tank to save my life.


Christopher Flansburg
6/12/2013 2:11:46 PM

What type of seat is that? Where was it obtained and how was it attached?