The green service manual calls for the tyranny fluid to be replaced after a 100 miles, or 200 km, or once a month. However we have already established its best to change after a single day of hard riding if possible. As far as what to use,... the manual doesnt state a certain oil.
The Clymeranual doesn't state it either. It says, use only a high quality detergent motor oil with an API classification of SE or SF.