I gave my 1990 ST1100 its most severe workout on Saturday, with a ride that ended up at 900km, practically non-stop. Now before I get poo-poohed as a softie by the serious distance riders here, I would like to point out that I deliberately sought out challenging twisty roads, and had zero time cruising on any multi-lane roads. I managed to tick-off a couple of my bucket-list roads, the Marokopa-Awakino road, and the Forgotten World Highway. Both of these are intense part gravel, part sealed twisty terrors, and I gave the ST's tyres and brakes a seriously good workout to the point of slightly overheating the front brakes and needing a new back tyre immediately.
This is Marokopa on NZ's West Coast, well off the beaten track but about 50km from the well known Waitomo Caves. A highlight of this stretch was traversing a huge flock of sheep being driven along the gravel road. It was a tricky balance between going fast enough that the sheep would move off the the side and away, and too fast and ending up wedged in a sheep...
This is the Moki Tunnel on the Forgotten World Highway. Must be fun getting a truck through there... The FWH is a 150km stretch from Stratford in the south to Taumarunui in the north, basically following along the now disused rail line. The road includes a stretch about 15km long of gravel through the Tangarakau Gorge, and traverses over 4 different saddles. Nearly ended up running over a feral goat, and also cleaned up a starling. Sorry, Mother Nature...
Stopping for a breather on the FWH, letting the brakes cool off a bit after all the tight twists and elevation changes. The back tyre was starting to feel a little greasy around here, but its condition explained that...
Another BT023 bites the dust; it was good to the very last but I wouldn't want to hit any wet roads with that...
My route was approximately counter-clockwise. Although Google Maps suggests 14.5 hours, I did this in 10, stopping only for comfort breaks and fuel, and generally at a more-or-less (OK mostly more) legal pace.