And, your needles are still at the first position (leanest)? Hmmm … what could it be? Air filter is good. You’ve been under the starter cover and ...

I have a ‘78 R100 with 40mm Bings. I was chasing a carb issue years back. I wanted to eliminate the enrichment circuit as part of a process of elimina...

Glad you are back! Very nice airhead, once again! I was a club member early on, with my ‘78 R100 w/Hannigan. Then dropped out when life got in the ...

The needle is held in the piston by a wire spring clip that engages the grooves cut in the top portion of the needle. There are 4 sets of grooves, tha...

Mike, hope you found a fellow airhead or two!

Very cool. Congratulations.

Glad to hear. Wonder how those springs got in the bike?!!

@eric-druse bummer, your symptoms seemed similar. We had actually gone so far as to replace the ignition switch with a toggle switch … and the bike s...

PS: My riding buddy and I thought it was the ignition key switch, cuz of the way it behaved.

I could write a short story about an episode I had with my ‘78 R100 while in Baton Rouge, LA. The electrical symptoms were all over the place. I, too,...

Yep, I tried every possible switch from every possible source, and came up empty. It was 2 to 5 days to order. The solution with the driveshaft fill ...

Probably not the issue, but Jeff C. reminded me of another occasion I had when my ‘78 had points. Can’t recall where I purchased the problematic point...

Hello Peter. I have been curious about your issue. Any determination? (Also feeling your frustration.)

The ADVrider forum … I recently was stuck with a very leaky oil pressure switch on my /7. Could not get a replacement where I was. I was “googling” in...