One of the Goldwing riders I know is running 20,000 miles (his words) OCI, based on regular sampling intervals and the analysis reports.
I don't know what it costs to get a sample anaylized, but it would seem to me to be less expensive to just change the oil... of course, I probably throw away...
I ride an 84' GL1200 and an 81' GL1100 (not at the same time of course)at temperatures down into the 20's (F). I live in Virginia (US) and ride 120 months a year, weather permitting.
I have owned several other motorcycles over the past few decades, and since "discovering" the diesel oils, have...
I'm a new member... and I have to admit to being completely lost with a lot of the terminology used on the site.
I don't know much about oil. I registered so I can learn more about engine oil(s), with motorcycle engines being the focus of my search for knowledge.
I can tell you what I use...