Coolant - Yamaha YFZ 2018 Owner's Manual

Tightening torque:
Engine guard bolt:
7 N·m (0.7 kgf·m, 5.2 lb·ft)
EBU23472

Coolant

The coolant level should be checked regularly. In
addition, the coolant must be changed at the in-
tervals specified in the periodic maintenance and
lubrication chart.
Recommended coolant:
YAMALUBE coolant
Coolant quantity:
Coolant reservoir (up to full level):
0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator (including all routes):
1.25 L (1.32 US qt, 1.10 Imp.qt)
TIP
If genuine Yamaha coolant is not available, use an
ethylene glycol antifreeze containing corrosion in-
hibitors for aluminum engines and mix with dis-
tilled water at a 1:1 ratio.
ECB02190
NOTICE
Mix antifreeze with distilled water only. Howev-
er, 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 en-
gine.
EBU27946
To check the coolant level
1. Park 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.
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