Nice thinking!
I assumed it was the first bit: I like your further possible presumption.
Yes, that was an interesting educational insertion. Of its time, I think. You wouldn't get such practical helpfulness now! Rather, a bemusing description of essence of exhaust from the latest glamour Guzzi as being like the rose-scented breath of some mythical fish-god that rises from the deeps of Lake Como when the full-moon glints among the waves' shifting shadows. Then, a boast of world-shaking 45 BHP from the space-age marvel that is the latest Guzzi sports race air-cooled leviathan.