I am replacing the coolant in the radiator. I pulled the lower hose off the water pump and drained the system. I wanted to know why when discussing anti freeze type coolants for their bikes no one mentions using the factory stuff. Is the after market coolants that much better or is it just fashionable to say I have this or I have that coolant in my bike. If no one has run into any cooling difficulties with the Suzuki 50/50 premix coolant I'll probably run that unless advised by the collective to do something else. I did something similar with my CBR 1000 I flushed the system and ran the Honda 50/50 premix with no problems. Wardie