Yamaha GRIZZLY 450 YFM450DF Owner's Manual page 121

1. Coolant reservoir hose
9. After draining the coolant, thoroughly flush
the cooling system with clean tap water.
10. Install the coolant drain bolt and its new gas-
ket, and then tighten the bolt to the specified
torque.
Tightening torque:
Coolant drain bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
11. Connect the coolant reservoir hose.
12. Pour the recommended coolant into the res-
ervoir to the maximum level mark, and then
install the reservoir cap. NOTICE: Mix anti-
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freeze with distilled water only. However, if
distilled water is not available, soft water
may be used for refilling. Do not use hard
water or salt water since they are harmful
to the engine.
[ECB00992]
13. Pour the recommended coolant into the radi-
ator until it is full.
Antifreeze/water mixture ratio:
1:1
Recommended antifreeze:
High-quality ethylene glycol antifreeze con-
taining corrosion inhibitors for aluminum
engines
Coolant quantity:
Radiator capacity (including all routes):
1.32 L (1.40 US qt, 1.16 Imp.qt)
Coolant reservoir capacity (up to the maxi-
mum level mark):
0.25 L (0.26 US qt, 0.22 Imp.qt)
14. Install the radiator cap, start the engine, let it
idle for several minutes, and then turn it off.
15. Remove the radiator cap to check the coolant
level in the radiator. If it is low, add sufficient
coolant until it reaches the top of the radiator,
and then install the radiator cap.
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