i disagree with the shinkos, they run well on rocky/muddy but i only tried them in muddy terrain on a klx250 which is much lighter.
i have them on my klr and they are really good offroad, specially on sand. but YOU MUST LOWER YOUR TIRE PRESSURE, TO LIKE 20 REAR, 16 FRONT.
if you keep the pressure up, any tire will slice thru sand and u will drop it.
heidenau, my friend has the scout k60 and he hates them on sand, even with low tire pressure, he still does not have good traction, he is now using metzeller karoo3 that he swears by.
2016 BMW 1200GS ADVENTURE
2015 HARLEY DAVIDSON SOFTAIL SLIM
2015 VULCAN S
2008 YAMAHA FZ6
2006 NINJA 250
2009 SUZUKI BURGMAN 400
2012 HD IRON 883