Maintenance EMU28423 Cleaning and anticorrosion measures 1. Wash down the exterior of the outboard motor with fresh water and dry off com- pletely. NOTICE: Do not spray water into the air intake. [ECM01840] 2. Spray the outboard motor exterior with “Yamaha Silicone Protectant”. 3. Wax the cowling with a non-abrasive wax such as “Yamaha Silicone Wax”. oil and procedures for your engine. 1 2 3 EMU28443 Flushing power unit Perform this procedure right after operation for the most thorough flushing. ECM01530 Do not perform this procedure while the engine is running. The water pump may be damaged and severe damage from overheating can result. NOTICE ZMU04148 1. Fitting 2. Garden hose connector 3.
Garden hose 1. After shutting off the engine, unscrew the garden hose connector from the fit- ting on the bottom cowling. 2. Screw the garden hose adapter onto a garden hose, which is connected to a fresh water supply, and then connect it to the garden hose connector. 3. With the engine off, turn on the water tap and let the water flush through the cool- ing passages for about 15 minutes. Turn off the water and disconnect the garden hose adapter from the garden hose con- nector. 4. Reinstall the garden hose connector onto the fitting on the bottom cowling. Tighten the connector securely. NO- TICE:
Do not leave the garden hose connector loose on the bottom cowl- ing fitting or let the hose hang free during normal operation. Water will leak out of the connector instead of 55