Boxerworks.com

I just had a similar problem (opposite cylinder) with my Dyna III on my R75/6. Take a close look at the 3 small wires coming off your Sensors, particularly the left sensor. In my case, one wire got pinched by the front cover and ended up shorting out. It was giving me intermittent spark in one cylin...

My '76 R75/6 is fresh off a cylinder re-bore (first over), seems to be running pretty well, and I'm trying to get it completely tuned. Checked my timing today- at idle (800-1000rpm) the "S" was not visible. Increased RPM and "F" came into window and traveled to the very top of wi...

Thanks Kurt, that makes sense, my "good" side stop rings seem to be just shy of the cylinder base. Any idea on how far the pushrod tube inserts into the cylinder head? I read flush on another thread, but I don't recall them ever being flush before, more like 1-2mm shy of flush. Thanks again.

I just had a re-bore done on my '76 R75/6, and the shop apparently removed and re-installed my pushrod tubes- poorly. One tube is not inserted as deep into the cylinder as the other, and my stop rings have been moved up on one side. Does anyone know proper measurements? End of tube to stop ring, sto...

Used pistons off my R/75, both stamped 81.985mm. I'm in the process of boring 1st over. Pictures upon request.