Thanks again Andy.
Yes it would seem did and some didn’t have vents.
This
https://youtu.be/z6qeLktgeY0
YouTube video showing what you would think is a factory standard bike also doesn’t have vents.

Makes you wonder what we’d do with our time if we didn’t obsess like this?!

I’ve also found the odd pic of an MC18 without the PGM decal on the tail side panel too.
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Kawasaki-ZXR400 Ducati-748 Triumph Street Triple
Triumph Tiger Cub Honda-TL125