10-3MNT Maintenance— : Not applicable(*1): See “6Y8 Multifunction Meter set up manual” for the check of 6Y8 Multifunction Meter.Maintenance interval chart 2TIP:When using lead high-sulfur gasoline, checking the valve clearance may be required more fre-quently than every 500 hours.Pilot water Check 10-4Throttle link/throttle cable/throttle pick-up timingCheck/adjust/replace 10-16Thermostat Check/replace 10-16Timing belt Check/replace 7-29Valve clearance Check/adjust 7-2Water inlet Check 10-10Wiring harness connec-tions/wiring coupler con-nectionsCheck/replace —Yamaha meter/gauge Check (*1)Item Actions Every Referto page1000 hoursGuide exhaust/exhaust manifoldCheck/replace 9-21Timing belt Replace 7-18Item ActionsInitial Every Referto page20 hours(3 months)100 hours(1 years)300 hours(3 years)500 hours(5 years)