GENERAL SERVICE INFORMATION Engine Oil Bleeding the Fuel System ENGINE OIL The fuel system needs to be bled under certain conditions. See Bleed the Fuel System on page 6-22. Engine Oil Specifications NOTICE: Only use the engine oil specified. Other engine oils may affect warranty coverage, cause internal engine components to seize and / or shorten engine life. NEVER mix different types of engine oil. This may adversely affect the lubricating properties of the engine oil. Starting the engine for the first time. After running out of fuel and fuel has been added to the fuel tank.
After fuel system maintenance such as changing fuel filters, draining the fuel filter / water separator, or replacing a fuel system component. Use a full-synthetic long-life engine oil that meets or exceeds the following guidelines and classifications: NOTICE: NEVER crank the engine using the starter motor to prime the fuel system. This may cause the starter motor to overheat and damage the starter. Service Categories API Service Categories SM, SL, SJ, SH/CF and CF ACEA Service Categories A3, B3 and B4 Definitions API Classification (American Petroleum Institute) ACEA Classification (Association des Constructeurs Europйens d’Automobilies) NOTICE: 1.
Be sure the engine oil, engine oil storage containers and engine oil filling equipment are free of sediment and water. 2. Change the engine oil after the first 50 hours of operation and then at every 250 hours (or annually) thereafter. 3. Select the oil viscosity based on the ambient temperature where the engine is being operated. See the SAE Service Grade Viscosity Chart (Figure 3-11) . 4. Yanmar does not recommend the use of engine oil “additives.” 3-14 BY Service Manual © 2009 Yanmar Marine International