Pre-Operation Check - Honda EU65is Owner's Manual

4.

PRE-OPERATION CHECK

Be sure to check the generator on a level surface with the engine
stopped.
1. Check the engine oil level.
Using non detergent oil or 2-stroke engine oil could shorten the
engine's service life.
Use high-detergent, premium quality 4-stroke engine oil, certified to
meet or exceed U.S. automobile manufacturer's requirements for API
service category SE or later (or equivalent).
Select the appropriate viscosity for the average temperature in your
area.
AMBIENT TEMPERATURE
23