Engine Oil Recommendations - Honda GX270 Owner's Manual

SERVICING YOUR ENGINE

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.
SAE 30 (API service classification SJ) is recommended for general use.
The following are examples of oils that meet Honda's requirements for
LPG-fueled engines:
For operation in temperatures below 32°F (0°C), 5W-30 synthetic oil
may be used for easier starting. Do not use 5W-30 synthetic oil when
the air temperature is above 32°F (0°C).
Do not use multigrade mineral-based oils. The use of multigrade
mineral-based oils may result in premature engine wear and/or
damage.
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Pennzoil HD 30
Valvoline HPO 30
Castrol HD 30