10-2Outline012345678910AMaintenance interval chart 1Item ActionsInitial Every Referto page20 hours(3 months)100 hours(1 years)300 hours(3 years)500 hours(5 years)Anode(s) (external) Check/replace 10-9Anode(s) (cylinder head) Check/replace 10-9Anodes(s) (exhaust cover,cylinder block)Replace 10-9Battery(electrolyte level, terminal)Check/charge/replace 10-4Cooling water leakage Check/replace 10-10Cowling clamp Check 10-17Engine starting condition/noiseCheck 10-5Engine idle speed/noise Check 10-10Engine oil Replace 10-10Engine oil filter Replace 10-11Engine start switch/engine shut-off switchCheck/replace 10-5Fuel filter(can be disassembled)Check/replace 6-14Fuel filter (disposal type) Replace 6-32Fuel filter(vapor separator)Check/replace 6-29Fuel hoses (high pressure) Check/replace 6-1Fuel hoses (low pressure) Check/replace 6-1Fuel pump Check/replace 6-10Fuel/oil leakage Check 10-12Gear oil Replace 10-12Greasing points Grease 10-13Impeller/water pump housingCheck/replace 8-7Impeller/water pump housingReplace 8-78-22PCV Check/replace 7-34PTT unit Check/replace 10-15Propeller/propeller nut/cotter pinCheck/replace 10-15Shift link/shift cable Check/adjust/replace 10-610-7Spark plug(s) Check/replace 10-15Spark plug caps/spark plug wiresCheck/replace 5-28