We see Roadstars in the store with 100k to 200k on them all the time, that's not even considered a big deal.
Same thing with the Roadliners & Stratoliners, high miles aren't even blinked at.
Most of them are only here for tires, brakes & other wear items.
Reason for this is probably that ceramic compound that Yamaha invented in the 1990s to plate their cylinders.
Lots of people call it Nica-Sil but it's not. It's a transparent ceramic compound invented by Yamaha.
That's why you can usually see the original machining swirls in the cylinders, hasn't even worn through the ceramic.
Stuff is so slippery it almost eliminated wear as long as the oil is clean.
That's why Yamaha now has a 20 year/100,000 mile engine warranty against oil related failures on new bikes.
As far as my own experience, the highest mileage bike I've had was an Ex-CHP 1986 Kawasaki Police 1000.
Bought at auction with 42,000 duty miles on it, rode it for 16 years to 168,000 miles & sold it for $50 more than I paid for it.
That engine is an in-line 4 & an air cooled engine, the entire bike is built for abuse & 40 hrs/week riding.
Considering how the CHP rides their bikes, I'm surprised it lasted 42k much less cruising past 168k.