The other night when I had a flat at work, a couple of guys stuck around to offer assistance. One of the guys rides some kind of big Kawasaki cruiser-type bike, a 1300cc, I think: not sure what model.
When I told him I "might just have to fix it," he replied, "There's nothing open at this time of night." He was amazed I carry everything needed to take off my wheels and change out or repair inner tubes/flats on the spot.
When I see all the other larger motorcycles at work, I always think how much it must suck to get a flat tire on one of those, especially when you can only see about 10% of the rear wheel behind all the bodywork, exhausts, hard bags, etc. I'm sure in most cases they would just get it towed to a dealer and have them fix it. Probably all cases, actually.
If I hadn't had the compressor with me, I wouldn't have tried making that ride home without knowing I could at least stop every few miles and air it back up if it started leaking more.