On your thermostat housing there is a bleeder valve on the top to do that, not much difference in height than the fill cap, think trick is to fill (say after flush or fluid change) very slowly!!! Someone posted on here great pics on doing a coolant drain and change, ck that out. Think there is about 5 drain plugs to do it.
04-3,200 miles bought July 2011 with 928 miles. Loaded with acessories to many to list here, see my albums for more details! I also make a custom tank bib specific for the 750 if anyone is interested, ck my albums for some pics.