2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 180Get this manual
COOLING SYSTEM REPLACEMENTAIR BLEEDING NOT E: hen fill ing he system it coolant, place he vehicle on latlev el su rface
Remove th steering cove (page 3-5)tne engme must De Drain the coolant from the syste by removing th e
cool teto.e remov- drain bo lt and sealing wa sh er on the wate pump,
mg IhR fRrl'R rO enp,
and th rad iator cap Rei nstall th rain bo lt with new sealing washe securely
or severe scaldmg
may rosull