Honda 954 Service Manual page 218

SYSTEM
COOLANT (HYDROMETER TEST)
Remove the right duct cover (page
Remove the radiator cap.
Test the coolant specific gravity using a hydrometer
(see below for "Coolant gravity chart").
For maximum corrosion protection, a
ethylene glycol and distilled water is recommended
(page
Look for contamination and replace the coolant if nec-
essary.
COOLANT GRAVITY CHART
Coolant temperature "C ("F)
Coolant ratio %
2-4).
(32)
60
solution o f
5 15
20
(41)
1.098 1.095 1.092 11.089
COOLING SYSTEM
40
25 30 35
1.086 1.083 1 1.077
50
45
1.074 1.071
-3