Coolant - Yamaha YFZ450R 2017 Owner's Manual

Tightening torque:
Engine guard bolt:
7 N·m (0.7 kgf·m, 5.2 lb·ft)
EBU29861

Coolant

The coolant level should be checked before each
ride. In addition, the coolant must be changed at
the intervals specified in the periodic maintenance
and lubrication chart. Have a Yamaha dealer
change the coolant. WARNING! Never attempt
to remove the radiator cap when the engine is
hot.
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To check the coolant level
8
1. Place the ATV on a level surface.
TIP
The coolant level must be checked on a cold en-
gine since the level varies with engine tempera-
ture.
2. Check the coolant level in the coolant reser-
voir.
TIP
The coolant should be between the minimum and
maximum level marks.
2
3
1. Coolant reservoir cap
2. Maximum level mark
3. Minimum level mark
3. If the coolant is at or below the minimum level
mark, remove the coolant reservoir cap, add
coolant or distilled water to the maximum lev-
el mark, and then install the reservoir cap.
NOTICE: If coolant is not available, use
distilled water or soft tap water instead.
Do not use hard water or salt water since
they are harmful to the engine. If water has
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1