PERIODIC MAINTENANCE SCHEDULEDaily and periodic maintenance is important to keep the engine in good operating condition.The following is a summary of maintenance items by periodic maintenance intervals. Periodicmaintenance intervals vary depending on engine application, loads, diesel fuel and engineoil used and are hard to establish definitively. The following should be treated only as ageneral guideline. CAUTION! Establish a periodic maintenance plan according to theengine application and make sure to perform the required periodic maintenance atthe intervals indicated. Failure to follow these guidelines will impair the engine’ssafety and performance characteristics, shorten the engine’s life and may affect thewarranty coverage on your engine. See your authorized Yanmar Marine dealer ordistributor for assistance when checking items marked with a ●.PERIODIC MAINTENANCE48 YM Series Operation Manual© 2007 Yanmar Marine International
