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1977 BMW R100 S BUILD

2388 Views 17 Replies 7 Participants Last post by  TrialsRider
What’s up everyone,

I recently purchased a 1977 BMW R100 S. Bike has high miles (30,000 or so), but is in great shape and runs fantastic.
As an A&P mechanic for aircraft, I felt I wanted to take on this build on my own as much as possible.

What do people suggest when it comes to starting out? I planned on stripping the body down to just the frame and engine. I’d like to sandblast the frame and re prime / paint, along with the engine itself. Small amounts of rust are visible on the bottom of the frame.

Any suggestions?

Thanks!
PK
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I would normally do that stuff in the off riding season.
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BMW's are one of the hardest bikes to get factory manuals for but there is lots out there and lots gets taken down or disappears too. This bike will be mild and uninspiring in power and handling compared to a street triple, but it is the kind of bike you could stick your bank card in your back pocket and cross the continent on. It's a go far bike, not a go fast bike.
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They make a decent sidecar racer if you are into it.
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View attachment 104663
This is more what I’m leaning towards.
(y) this one looks very agricultural.
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