Environmental Considerations; Altitude; Temperature - Jetusa CX580 User Manual

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Environmental Considerations

Altitude

If the engine is being used in altitudes at or above 1500m (approximately 5000'), adjustments to the
carburettor may be required. This is because there is less oxygen in the air as altitude increases, which
effectively "enriches" the ratio of fuel to air going into the engine and the higher the altitude, the richer the
fuel mixture becomes. If the engine is being permanently operated at high altitude, it is recommended to
have an authorized service centre make the necessary carburettor adjustments. If the engine is used
occasionally at altitude (not extreme altitudes), no adjustments should be required, however, a slight
decrease in engine performance can be expected.

Temperature

If the engine is being used in extremely cold or hot
environments; for example, desert or snow conditions, the type
of engine oil may need to be changed to suit environmental
temperatures. Oil thickens as the temperature decreases and
thins as temperature increases, which means that if the engine
oil is not suited to the temperature its ability to properly lubricate
the engine may be affected. Use the following chart to determine
the correct engine oil:
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