Engine Oil Recommendation - Honda WB20XT Owner's Manual

SERVICING YOUR PUMP

ENGINE OIL RECOMMENDATION

Oil is a major factor affecting performance and service life. Use
4-stroke automotive detergent oil.
Use 4-stroke motor oil that meets or exceeds the requirements for API
service category SJ or later (or equivalent). Always check the API
service label on the oil container to be sure it includes the letters SJ 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 recommended range.
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