Update on the G80CS:
I did acquire the bike, but it had to be kept in a friend's warehouse until ten days ago, when I brought it home.
The bike was actually purchased new in 1961 by a friend of the man who passed away. This original owner sold it to this man in the winter of '61-'62. Mr. Barrett had the bike until his death in 2014, and I bought it from his widow. (He courted her on the bike in '62-'63, and they were married 51 years when he died). The bike was purchased in Connecticut and lived in Rhode Island until about 1978, when the Barretts retired to Spring Hill, Florida (near Tampa). Mr. Barrett rode the bike occasionally, until around 2001, when he was stricken with Parkinson's disease. The bike's last registration expired in 2002.
The son and nephew started it for Mr. Barrett around 2005-06, and in doing so, dismantled the lighting switch (he was wheelchair-bound by that time). It had not been started since, but appears ready to run if properly sorted.
I have rebuilt and re-wired the switch and am going through the bike, rear to front, giving her a good cleaning, changing fluids, re-greasing, changing the inner tubes, rebuilding the carb, and getting her ready to start in the near future.
If things go flawlessly, I should be able to start up on Thursday, Jan 29. Whether or not, the bike will be at our big local show on Jan 31, looking like the cherished beauty she was, alongside my G15CS, Ranger 750, and 850 Roadster.
If anybody reading this is in South Florida, the show is in Dania Beach, a suburb of Fort Lauderdale, and has become an impressive meet.
'73 Norton 850 Commando - 3030xx
'69 Norton Ranger 750 - P11/1289xx
'67 Matchless G15CS - G15CS/1235xx
'61 Matchless G80CS - 61/G80CS/41xx