What I learned from my first two 200+ mile rides from Schenectady, NY, to Rockport, MA and back (with a week of seaside holiday in between).
Six to eight hours of riding is fatiguing but very doable and, yes, enjoyable!
⁃ I feared dreading the return ride, but I ended up looking forward to it. Knowing it was a different route back was helpful.
Though I didn't need the rain gear, extra MSR bottle of fuel, tire fixer and inflator, and other "just in case" items, I was much more secure knowing I had them.
GPS directions that you can see and hear are extremely helpful.
The whims of the weather are very noticeable when traveling at speed.
⁃ Though sunny, dry, and well into the 70s, I had to wear a windbreaker over my mesh jacket to keep warm most of the day.
Cut down windshield made riding a more relaxed experience.
Earplugs necessary.
Returned waves
⁃ Cruiser MCs 95% of the time
⁃ Sports bikes 40% of the time
⁃ Scooters - too few scooters to say
Not a single interfering, mean, or crazy cager the whole 400+ miles!
⁃ Even while working to maintain speed up mountain foothills, cagers behind were patient and stayed well back (around these parts there are so few scooters that I suspect cagers expect them to just fall over)!
"Full-serve" gas station attendants allowed me fill my own tank.
Serious fatigue set in in about 3 hours (even with stops for refueling).
⁃ Fatigue sneaks up as a subtle (and then glaring!) reduction in focus and awareness (different than simply being tired and yawny)
⁃ To clear the "cobwebs" it was necessary to park, remove helmet and ear plugs, change environment, drink water (can I pass on using the "H" word?), and most importantly a light snack or meal.
"Monkey butt" and positional fatigue also set in after a few hours, but to my surprise, both faded after thirty minutes or so. After that, my butt and body seemed to get into a groove.
Music helped to keep me alert (way better than the hypnotizing drone of muffled wind noise for hours).
Nelli (my ET4) was happy to be at open throttle for long stretches of 55mph roadway (and so was I).