2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 123Get this manual
COOLING SYSTEM
SYSTEM TESTING
COOLANT (HYDROM ETER TEST)
Remove the stee ri ng cover (pag 2-5)The engme mvs 00
Remove the radiator cap
cool before removing the radia tor cap,
or severe sC8lding may result ,
Test th coolant gravity using hydrometerSTANDARD COOLANT CONCENTRATIO1:1 (distilled ater nd he reco me nded an ifreeze)
Look for co nt ami nat io an replace the coolant if necessary(32)
1.009 1.017 27
- r-ooCoolant
20 25 30 35 40 45 50 55
1.009 1.018 1.028 1.036 1.045
1.053 1.063 1.072 080 1.086 1.095
1 044 1.052 1.062 1.070 1.078 1.084 1.093 1.098
1.026 1.034 1.043