Just to close the loop with thanks to all: transmission is fine. Clutch bolt came loose and settled into recess in bell housing. Thank God it didn't w...

Thanks! Will try and get to it this weekend, after I finish carb rebuild/synch on my R90/6. Will let you guys know what I find!

11771, would I need a borescope to see them ? Thanks!

Good suggestion R32 Level. Wasn't looking forward to pulling the trans on a hunch. I will give that a try if trans fluid inspection doesn't turn up an...

These comments make sense. Haven't had time to get the bike on the lift yet, but will check trans drain plug first, then dig deeper into clutch. I'm l...

Wow. Never heard of this one before. I am rebuilding a 76 R90S and from what I can research, it's good insurance to replace the stock cables with an ...

The gents above are giving the correct advice, IMHO. I actually recently bought a 1976 R90/6 with exactly the same problem. From what I hear it's pret...

Thank you, sir. I was pretty surprised to not get much of a response to what I thought would be a pretty standard request. I decided to just bite the ...

I'm pretty sure that's standard for these electronic ignitions. I had a Petronix unit installed on my old Porsche and the mechanic warned me about the...