CB - What does this mean?

[DGShannon_imp]

and XL?

Came later, first with the XL250, still a "Motosport", even having the word as part of the logo on the exhaust. Big difference was that exhaust, which was no longer down swept, as on the SL models. Now, high front fender and high exhaust, which was a pattern retained by the various XL models to follow.