Yamaha F150D Owner's Manual

Also see for F150D: Owner's manual

Contents

Maintenance42EMU28301ProcedureEMU30001Flushing with the flushing attachment1. Wash the outboard motor body usingfresh water. For further information, seepage 44.2. Fill the fuel tank with fresh fuel and addone ounce of “Yamaha Fuel Conditionerand Stabilizer” (Part No. LUB-FUELC-12-00) to each gallon of fuel.NOTE:The use of “Yamaha Fuel Conditioner andStabilizer” eliminates the need to drain thefuel system. Consult your Yamaha dealer orother qualified mechanic if the fuel system isto be drained instead.3. Remove the top cowling and propeller.4. Install the flushing attachment over thecooling water inlet.CAUTION:ECM00300Do not run the engine without supplying itwith cooling water. Either the engine waterpump will be damaged or the engine willbe damaged from overheating. Beforestarting the engine, be sure to supply wa-ter to the cooling water passages.CAUTION:ECM00310Avoid running the outboard motor at highspeed while on the flushing attachment,otherwise overheating could occur.5. Cooling system flushing is essential toprevent the cooling system from cloggingup with salt, sand, or dirt. In addition, fog-ging/lubricating of the engine is mandato-ry to prevent excessive engine damagedue to rust. Perform the flushing and fog-ging at the same time.WARNINGEWM00090 Do not touch or remove electrical partswhen starting or during operation. Keep hands, hair, and clothes away fromthe flywheel and other rotating partswhile the engine is running.NOTE: When using the flushing attachment, main-tain adequate water pressure and a steadywater flow. If the overheat warning device is activated,turn the engine off, and consult yourYamaha dealer.6. Run the engine at a fast idle for a fewminutes in neutral position while supply-ing fresh water.7. Just prior to turning off the engine, quicklyspray “Yamaha Stor-Rite Engine FoggingOil” (Part No. LUB-STRRT-12-00) alter-nately into the intake silencer or the fog-ging hole of the silencer cover, if1. Flushing attachment