See also:

Synthetic oil
You should use synthetic engine oil that meets the same requirements given for conventional engine oil. When using synthetic oil, you must use oil of the same classification, viscosity and grade s ...

Recommended grade and viscosity
Use only engine oil with the recommended grade and viscosity. Refer to “Engine oil”. NOTE Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fuel econ ...

Tachometer
The tachometer shows the engine speed in thousands of revolutions per minute. CAUTION Do not operate the engine with the pointer of the tachometer in the red zone. In this range, fuel injection wi ...