Yamaha YZ125 2022 Owner's Service Manual page 76

Coolant drain bolt
10 N·m (1.0 kgf·m, 7.4 lb·ft)
6. Pour coolant.
Recommended coolant
High quality ethylene glycol
anti-freeze containing anti-cor-
rosion for aluminum engine
Radiator (including all routes)
0.90 L (0.95 US qt, 0.79 Imp.qt)
Coolant mixing ratio
1:1 (Coolant:Water)
EWA13040
WARNING
• If coolant splashes in your eyes, thorough-
ly wash them with water and consult a doc-
tor.
• If coolant splashes on your clothes, quickly
wash it away with water and then with soap
and water.
• If coolant is swallowed, induce vomiting
and get immediate medical attention.
ECA13481
NOTICE
• Adding water instead of coolant lowers the
antifreeze content of the coolant. If water is
used instead of coolant, check, and if nec-
essary, correct the antifreeze concentra-
tion of the coolant.
• Use only distilled water. However, if dis-
tilled water is not available, soft water may
be used.
• If coolant comes into contact with painted
surfaces, immediately wash them with wa-
ter.
• Do not mix different types of antifreeze.
7. Install:
• Radiator cap
8. Start the engine, warm this up for several
minutes, stop it, and then wait for it to cool
down.
9. Check:
• Coolant level
Refer to "CHECKING THE COOLANT LEV-
EL" on page 3-10.
3-12
ENGINE