think you have problems you will if you get 800gs theirs lads on the ukgser that have had 2 and 3 engines, as for yamaha, that sucks, gps and heated grips thats utter bollicks ,, what happenend to your bike?? as for the sus on the rear mines on the standard settings and if iam on the side stand and sit on the bike it does go just about over mind iam about 19st but the suspension works fine plenty of rebound and damping