What awful advice to be honest... RS125 is a fizzy little sports bike, designed for going as fast as a tiny sports bike can go. If maintained well I hear they're actually very reliable, but they do require a lot of maintenance.
KLE is an adventure bike designed for covering thousands of miles, some of it off-road, and carrying shit loads of kit. Will rarely break down, if at all, and could probably be used to ride around the world on.
You can't even begin to compare them, they're utterly different bikes.