Maintenance62EMU34451Maintenance chart 2EMU28910TIP:When using lead or high-sulfur gasoline, inspecting valve clearance may be required morefrequently than every 500 hours.Water inlet InspectionMain switch/stopswitch/choke switchInspection or replace-ment as necessaryWire harness connec-tions/Wire coupler con-nectionsInspection or replace-ment as necessary(Yamaha) Fuel tank Inspection and clean-ing as necessaryItem Actions Every1000 hoursGuide exhaust/exhaustmanifoldInspection or replace-ment as necessaryTiming belt ReplacementItem ActionsInitial Every20 hours(3months)100hours (1year)300hours (3years)500hours (5years)