Yanmar SAE 40 Oil
User Guide For Yanmar Branded Oil
- For engines operating in ambient conditions of 0 – 40°C use the YANMAR branded monograde SAE 30 oil.
- For engines operating in ambient conditions of 20 – 50°C use the YANMAR branded monograde SAE 40 oil.
- The oil change intervals are described in the engine operation manual.
- 4BY and 6BY engines use synthetic oil only, consult operation manual for details.
If you have any questions regarding your engine* and the oil that is recommended, please email me with the following:
engine seriel number
average outside temperature where the vessel is kept
*Yanmar & Volvo Penta only.