67C3K11 3-2123456789NOTE:• When operating in muddy, turbid, or salt water, the engine should be flushed with clean water aftereach use.• When using leaded or high-sulfur gasoline, checking the valve clearances may be required morefrequently than every 500 hours.Throttle link/throttle cable/throttle pick-up timingCheck/adjust/replace3-8, 3-8Thermostat Check/replace 3-7Timing belt Check/replace 3-6Valve clearance Check/adjust 5-2Water inlet Check 3-7Engine start switch/engineshut-off switch/choke switchCheck/replace 8-13, 8-18,8-19Wiring harness connections/lead coupler connectionsCheck/replace 8-1(Yamaha) Meter/gauge Check —(Yamaha) Fuel tank Check/clean —Item RemarksInitial Every Refer topage20 hours(3 months)100 hours(1 year)300 hours(3 years)500 hours(5 years)Item Remarks Every Refer topage1,000 hoursExhaust guide/exhaustmanifoldCheck/replace 7-20Timing belt Replace 5-3Maintenance interval chart
