@lars-waldner Another thought - a really great airhead electrical resource is Motorrad Elektrik (motoelekt.com), namely Rick Jones. Rick knows airhead...

What an intriguing story, and what a restoration challenge! I don’t have answers regarding your alternator, but I recommend googling Snowbum BMW for ...

I often find myself thinking the same. The original parts and pieces were so well made, but what about this current replacement part? … where did it c...

My clutch found it’s way home from Southland Clutch. Looks like they did a great job. Everything is back together (with a new HD clutch spring), and w...

@j-t-sutton if you were close by I’d lone you my 4-40 tap.

Been thinking about your situation. Had a thought. If the nut will snug somewhat, this might work. First, I might start with a new nut to get the mo...

Very good, you “caught it in the act”. I’ve never had a bike newer than ‘78, so I know nothing of the BMW hall sensor/bean can system. Keep us posted...

Sometimes left, sometimes right … wow. If Rod Serling were still here, he’d say “welcome to the Twilight Zone”. I agree, make sure your spark plug c...

@dale-aberegg be sure to let us know what you find. Can’t imagine what would be making it stick SO WELL. You couldn’t glue it together that good!

I copied this from Snowbum’s material, regarding unsticking a stuck clutch; I prefer to try the following things in order shown below; either method...

That is quite a conundrum. I wanted to rescind my suggestion of bumping it with the starter. Thinking about it, I got concerned about damaging the f...

Big question is why. Did you lube the splines when is was apart?

I should have prefaced my comments by saying - be sure the clutch is properly adjusted and actuating as it should FIRST.

Interesting. I don’t know about your ‘87, so I’m speaking from a ‘78. I would rock the bike for and aft and get it shifted into 5th. Pull the clutch,...