Maintenance402. Screw the garden hose connector onto agarden hose which is connected to afresh water supply.3. With the engine off, turn on the water tapand let the water flush through the cool-ing passages for about 15 minutes. Turnoff the water and disconnect the gardenhose.4. When flushing is complete, reinstall thegarden hose connector on the fitting onthe bottom cowling. Tighten the connec-tor securely.CAUTION:ECM00540Do not leave the garden hose connectorloose on the bottom cowling fitting or letthe hose hang free during normal opera-tion. Water will leak out of the connectorinstead of cooling the engine, which cancause serious overheating. Be sure theconnector is tightened securely on the fit-ting after flushing the engine.NOTE: When flushing the engine with the boat inthe water, tilting up the outboard motor un-til it is completely out of the water willachieve better results. For cooling system flushing instructions,see page 37.EMU28450Cleaning the outboard motorAfter use, wash the exterior of the outboardmotor with fresh water. Flush the coolingsystem with fresh water.NOTE:For cooling system flushing instructions, seepage 37.EMU28460Checking painted surface of motorCheck the motor for scratches, nicks, or flak-ing paint. Areas with damaged paint aremore likely to corrode. If necessary, cleanand paint the areas. A touch-up paint is avail-able from your Yamaha dealer.1. Fitting2. Garden hose connector3. Garden hose13 2ZMU04697ZMU02988
