4-12EThe mark (❍) indicates work to be carried out by your Yamaha dealer.*3. Be sure to replace the timing belt after every 1,000 hours (5 years) of operation.*4. Do not retighten the cylinder head and crankcase bolts.ItemInterval Initial EveryReferpageRemarks10 hours(afterbreak-in)50 hours(3 months)100hours(6 months)200hours(1 year)400hours(2 years)Ignition timing Inspection ❍ —Oil filter Change ❍ —Fuel filter(Disposable type) Inspection/Replacement ❍ ❍ —Oil pump Inspection ❍ —Timing chain Inspection/Replacement ❍ (1,000 hours or 5 years) —Chain tensioner Inspection/Replacement ❍ —Timing belt *3 Inspection/Replacement ❍ —Valve clearance Inspection/Adjustment ❍ —Thermostat Inspection ❍ —PCV(Pressure Control Valve) Inspection ❍ —Oil leakage Inspection/Replacement ❍ ❍ ❍ 4-23Flywheel nut Inspection ❍ 4-32Throttle link Inspection/Adjustment ❍ —Throttle cable Inspection/Adjustment ❍ —Shift cable Inspection/Adjustment ❍ —Idling speed Inspection/Adjustment ❍ ❍ —Impeller/Woodruff key Inspection/Replacement ❍ (500 hours or 30 months) —Oil seal Inspection/Replacement ❍ —Power trim and tilt unit Inspection ❍ 4-24Anodes/Trim tab Inspection/Replacement ❍ 4-28Battery Inspection/Charge ❍ 4-29Wiring & connectors Adjustment/Connection ❍ ❍ 4-23Bolts & nuts *4 Retightening ❍ ❍ 4-32