Did you disassemble the chokes (enrichment valves)? They are not interchangeable right and left. Must go on the correct carb. Also the shaft must be ...

With 3 years of use now in my ‘78, I feel comfortable recommending the Enduralast/Sachse system from EME. Mine is the model fit to my stock Bosch alte...

Rick Jones at Motoelekt.com sells an LED headlight that replaces the entire stock unit w/reflector. Has a version for the /5. Looks cool, too.

That’s great! Tricking out your airhead at 86 years old! Congratulations and Happy Birthday!

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,...