Re: overheating R1
It appears as though the radiator is not the highest point in the system. Look around on the engine to see if there is a cooling line that is blocked off or plugged up. This would be something small and is used to let the air bubbles escape. All the bike engines I've seen have this since the radiator is normally below the top of the head. On my 900 it is on the top of the return port that sends fluid back to the radiator.
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