I had Marathon 880's on my V-Star 650. Just AWESOME tires. Lots of grip in the wet, and very predictable. Ran 40F/40R unladen, and 40F/42R laden 2-up. Yamaha specs were 33F/36R. Metzeler told me to use their pressures. Sold the bike with 16,000 km (10,000 miles) on those tires and they were hardly worn. I'd buy them again in a heartbeat. They run pretty cool, and I guess that helps in tire life.
H.