E4-9EMU00362*MAINTENANCE CHARTFrequency of maintenance operations may be adjusted according to the operating con-ditions, “but the following table gives general guidelines.The mark (6) indicates the check-ups which you may carry out yourself.The mark (1) indicates work to be carried out by your Yamaha dealer.Spark plug(s) Cleaning/Adjustment/ 4-11ReplacementGreasing points Greasing 4-10Gear oil Change 4-21Fuel system Inspection 4-13Fuel filter (Water separator) Cleaning/Inspection 4-14Fuel tank Cleaning —Idling speed Inspection/Adjustment 4-15Anode(s) Inspection/Replacement /1 /1 4-22Outboard motor exterior Inspection 4-26Cooling water passage*1 Cleaning 4-27Propeller/Cotter pin Inspection/Replacement 4-19Battery Inspection/Charge (every 4-23month)Throttle pick-up timing Inspection/Adjustment 1 —Bolts/Nuts Retightening 4-26Oil tank water drain Cleaning 4-16Oil pump Inspection/Adjustment 1 —Power trim/tilt unit Inspection 4-18Power trim/tilt operation Inspection 4-18Exhaust leakage Inspection 4-17Water leakage Inspection 4-17Cowling clamp Inspection —Throttle link Inspection/Adjustment 1 —Throttle sensor Inspection/Adjustment 1 —Wiring/Connector(s) Inspection/Reconnect 4-17IntervalItemInitial Every Referpage10 hours(1 months)50 hours(3 months)100 hours(6 months)200 hours(1 year)*1.When operating in salt water, turbid or muddy water, the engine should be flushed with-clean water after each use.