I’m going to have the heads on this project dual-plugged. Before I sent them to Randy Long who does this work, and more, I did an inspection of the valves to see what I could learn. I documented this work here:
It includes this short video.
VIDEO: 1983 BMW R100RS Remove Valves and Inspect
Randy Long is an excellent resource if you need work done on your heads, valves or seats. He doesn’t have a web site, so here is his contact information:
Long’s Mechanical Services
74 Risbon Rd
Honey Brook, PA 19344-1754