2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 178Get this manual
COOLING SYSTEM
SYSTEM TESTING
COOLANT (HYDROMETER TEST)
Rem ove the steeri ng cover {pag 3-5)
tro coaro must be Remove the radiator capCQol hRfor mov-
mg rile rad,atof cap0 severe scaldinq
Test the coolant rav ity using hydrom eterSTA DA RD CO OLA NT CO NC ENTRATIOt.t tdtsnue wa er and the recomm end ed
antif reeze)
Look fo co ntamination an replace the coolant if
necessary (32)
Coo la nt emperature('F)
lO 18 l0281.036
1.009 lO 17 1.027 1.035
(Sa 008 O17
t 008 l007