SERVICE AND MAINTENANCE
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Engine
The viscosity should be selected according to outside temperature. Do
not switch to a different viscosity in the event of brief temperature
fluctuations.
SAE VISCOSITY CLASSES
The SAE classes (viscosity) should be selected
in accordance with the average seasonal air
temperature.
Applying the SAE classes exactly on the basis
of the outside air temperatures would necessi-
tate frequently changing the engine oil. The tem-
perature limits for the SAE classes should
therefore be regarded as reference tempera-
tures and the actual air temperature may be
higher or lower for a short period of time.
* How to check engine oil specification
Example:
Summer oil viscosity
0W, 5W, 10W, 15W, 20W, 25W 20, 30, 40, 50, 60
• The numerical, for example SAE 10W, relates
to viscosity at particular temperature and the
alphabet “W” indicates the oil’s suitability for
colder temperature.
For summer oil viscosity, higher numbers mean
higher viscosities.
Winter oil viscosity
(W: Winter)
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