EMAINTENANCE INTERVAL CHARTMAINTENANCE INTERVAL CHARTUse the following chart as a guide to general maintenance intervals.Dependant on operating conditions, adjust the maintenance intervals accordingly.*1 .... If Yamaha portable fuel tank is used.*2 .... When operating in slat water, turbid or muddy water, the engine should be flushed withclean water after each use.*3 .... Do not adjust the carburetor when it is operating properly*4 .... For electric starter modelInitial Every Refer topageItem Remarks 10 hours 50 hours 100 hours 200 hours(Brake-in) (3 months) (6 months) (1 year)TOP COWLINGTop cowling fit Check 3-2FUEL SYSTEMFuel line Check 3-3Fuel filter Check/clean/replace 3-4Fuel tank (*1) Cleaning —POWER UNITWater leakage Check —Motor exterior Check —Exhaust leakage Check —Cooling water passage Flush —(*2) —CONTROL SYSTEMShift cable Check/adjust 3-17Throttle cable Check/adjust 3-13Engine idling speed Check/adjust 3-10Carburetor (*3) Check/adjust 3-8Throttle link Check/adjust 3-11Start-in-gear protection Check/adjust 3-12LOWER UNITGear oil Change 3-21Lower unit leakage Check 3-22Propeller and cotter pin Check/replace 6-3GENERALAnode Check/replace 3-23Battery (*4) Check/charge (every 1 month) 3-23Spark plugs Check/clean/replace 3-24Wiring and connectors Check/reconnect —Bolts and nuts Tighten —Lubrication points Grease 3-263-1