Cafe Racer Forum banner

1977 BMW R100 S BUILD

2384 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?

1 - 2 of 18 Posts
Whats your riding experience?

Don't fall into the trap that most people fall into, disassembling the bike and never getting it back together.

If its a well running, titled bike, treat the rust in-situ.

Here's what I'd do:
Using a Clymer manual, do a full service of the bike.
-braided brake lines
-fresh fork oil
-fork brace
-superbike bars
-hagon rear shocks
-new stem and wheel bearings (All Balls brand)
-quality performance exhaust
-new tires (i like Avon road riders, but others here have their recommendations)
-new fuel lines and fuel filters
-new coils and electronic Ignition

Each of those individual upgrades can be done in a weekend max, and will keep you riding as much as possible. Not only that, but you'll have a bike that will absolutely perform better than stock.
See less See more
  • Like
Reactions: 1
That bike is wildly impractical/uncomfortable/unsafe to ride. Its purely an art bike
  • Like
Reactions: 1
1 - 2 of 18 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.