I just automatically do the math in my head now. I just know if the speedo says 70, I might really be going 63-65. But maybe not. I've always felt that motorcycle gauges are just meant to be suggestive and not to be taken too seriously.
Wow, that doesn't even come close to answering your question, does it?
My biggest fear is when I die, my wife will sell all my guitars for what I told her I paid for them.