Engine Oil Recommendations - Honda GX620 Owner's Manual

4. Screw on the new oil filter by hand until the seal contacts the filter
mounting base, then use an oil filter socket tool to tighten the filter
an additional 7/8 turn.
Oil filter tightening torque:
5. Refill the crankcase with the specified amount of the recommended
oil. Reinstall the oil filler cap and oil level dipstick securely.
6. Start the engine, and check for leaks.
7. Stop the engine, and check the oil level as described on page 18. If
necessary, add oil to bring the oil level to the upper limit mark on the
oil level dipstick.

ENGINE OIL RECOMMENDATIONS

Oil is a major factor affecting performance and service life. Use
4-stroke automotive detergent oil that is designed for engines
operating on LPG or NATURAL GAS.
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).
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.
SERVICING YOUR ENGINE
16 lbf·ft (22 N·m , 2.2 kgf·m)
AMBIENT TEMPERATURE
21