Pre-Operation Check - Honda EX4000S Owner's Manual

4. PRE-OPERATION CHECK

CAUTION:
Be sure to check the generator on a level surface with the engine
stopped.
1. Check the engine oil level.
CAUTION:
Using non detergent oil or 2-stroke engine oil could shorten the
engine's service life.
Recommended oil
Use 4-stroke motor oil that meets or exceeds the requirements for API
service category SE or later (or equivalent). Always check the API service
label on the oil container to be sure it includes the letters SE or later (or
equivalent).
AMBIENT TEMPERATURE
SAE 10W-30 is recommended for general use. Other viscosities shown in
the chart may be used when the average temperature in your area is within
the indicated range.
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