Yamaha F9.9D Ower's Manual

Contents

Operation24Run the engine at 2000 r/min or at ap-proximately half throttle.2. For the second hour of operation:Run the engine at 3000 r/min or at ap-proximately three-quarter throttle.3. For the next eight hours of operation:Avoid continuous operation at full throt-tle for more than five minutes at a time.4. After the first 10 hours:Operate the engine normally.EMU27101Preoperation checksWARNINGEWM00080If any item in the preoperation check isnot working properly, have it inspectedand repaired before operating the out-board motor. Otherwise an accidentcould occur.CAUTION:ECM00120Do not start the engine out of water. Over-heating and serious engine damage canoccur.EMU27110Fuel Check to be sure you have plenty of fuelfor your trip. Make sure there are no fuel leaks or gaso-line fumes. Check fuel line connections to be sure theyare tight (if equipped Yamaha fuel tank orboat tank). Be sure the fuel tank is positioned on a se-cure, flat surface, and that the fuel line isnot twisted or flattened, or likely to contactsharp objects (if equipped Yamaha fueltank or boat tank).EMU27130Controls Check throttle, shift, and steering for prop-er operation before starting the engine. The controls should work smoothly, with-out binding or unusual free play. Look for loose or damaged connections. Check operation of the starter and stopswitches when the outboard motor is in thewater.EMU27140Engine Check the engine and engine mounting. Look for loose or damaged fasteners. Check the propeller for damage.EMU27163Checking the engine oil level1. Put the outboard motor in an upright po-sition (not tilted).2. Remove oil dipstick and wipe it clean.3. Completely insert the dipstick and re-move it again.4. Check the oil level using the dipstick tobe sure the level falls between the upperand lower marks. Fill with oil if it is belowthe lower mark, or drain to the specifiedlevel if it is above the upper mark.1. Oil dipstick1ZMU04378