Maintenance 3. Change the gear oil. For instructions, see page 54. Inspect the oil for the pres- ence of water which indicates a leaky seal. Seal replacement should be per- formed by an authorized Yamaha dealer prior to use. 4. Grease all grease fittings. For further de- tails, see page 48. medical attention. Batteries also generate explosive hydro- gen gas; therefore, you should always follow these preventive measures: G Charge batteries in a well-ventilated ar- ea. G Keep batteries away from fire, sparks, or open flames (for example: welding equipment, lighted cigarettes, and so on.) EMU28421 Cleaning and anticorrosion measures 1.
Wash down the exterior of the outboard motor with fresh water and dry off com- pletely. 2. Spray the outboard motor exterior with “Yamaha Silicone Protectant” (Part No. LUB-SILCNE-13-00). 3. Wax the cowling with a non-abrasive wax such as “Yamaha Silicone Wax” (Part No. ACC-11000-15-02). G DO NOT SMOKE when charging or han- dling batteries. KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN. Batteries vary among manufacturers. There- fore the following procedures may not al- ways apply. Consult your battery manufacturer’s instructions. Procedure 1. Disconnect and remove the battery from the boat. Always disconnect the black negative cable first to prevent the risk of shorting. 2.
Clean the battery casing and terminals. Fill each cell to the upper level with dis- tilled water. 3. Store the battery on a level surface in a cool, dry, well-ventilated place out of di- rect sunlight. 4. Once a month, check the specific gravity of the electrolyte and recharge as re- quired to prolong battery life. EMU28430 Battery care EWM00330 WARNING Battery electrolytic fluid is dangerous; it contains sulfuric acid and therefore is poisonous and highly caustic. Always follow these preventive mea- sures: G Avoid bodily contact with electrolytic fluid as it can cause severe burns or permanent eye injury. G Wear protective eye gear when han- dling or working near batteries.
Antidote (EXTERNAL): EMU28442 Flushing power unit Perform this procedure right after operation for the most thorough flushing. G EYES - Flush with water for 15 minutes and get immediate medical attention. Antidote (INTERNAL): G SKIN - Flush with water. ECM01530 CAUTION: G Drink large quantities of water or milk followed by milk of magnesia, beaten egg, or vegetable oil. Get immediate Do not perform this procedure while the engine is running. The water pump may be damaged and severe damage from 43