Yamaha KODIAK ULTRAMATIC YFM400FA Owner's Manual page 318

10. Install the reservoir tank hose.
11. Pour the recommended coolant into the
radiator until it is full.
Recommended antifreeze:
High quality ethylene glycol antifreeze
containing corrosion inhibitors for alumi-
num engines.
Antifreeze and water mixing ratio:
1:1
Total amount:
1.1 L
Reservoir tank capacity:
0.25 L
CAUTION:
Hard water or salt water is harmful to the en-
gine. You may use distilled water if you can't
get soft water.
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