Maintenance49 Keep hands, hair, and clothes away fromthe flywheel and other rotating partswhile the engine is running.7. Run the engine at a fast idle for 10–15minutes in neutral position.8. Just prior to turning off the engine, quicklyspray “Yamaha Stor-Rite Engine FoggingOil” (Part No. LUB-STRRT-12-00) alter-nately into each carburetor or the fogginghole of the silencer cover, if equipped.When properly done, the engine willsmoke excessively and almost stall.9. Remove the outboard motor from the testtank.10. Install the silencer cover/cap and topcowling.EMU28400Lubrication (except oil injectionmodels)1. Grease the spark plug threads and installthe spark plug(s) and torque to properspecification. For information on sparkplug installation, see page 55.2. Change the gear oil. For instructions, seepage 61. Inspect the oil for the presenceof water that indicates a leaky seal. Sealreplacement should be performed by anauthorized Yamaha dealer prior to use.3. Grease all grease fittings. For further de-tails, see page 54.EMU28420Cleaning and anticorrosion measures1. Wash down the exterior of the outboardmotor with fresh water and dry off com-pletely.2. Spray the outboard motor exterior with“Yamaha Silicone Protectant” (Part No.LUB-SILCNE-13-00).CAUTION:ECM01330If equipped Electronic Fuel Injection: Donot spray when the engine is running. Al-so, do not spray near the silencer and ox-ygen sensor cover or into the engine.Otherwise the oxygen sensor for Electron-ic Fuel Injection system could be dam-aged.3. Wax the cowling with a non-abrasive waxsuch as “Yamaha Silicone Wax” (Part No.ACC-11000-15-02).EMU28430Battery careWARNINGEWM00330Battery electrolytic fluid is dangerous; itcontains sulfuric acid and therefore is poi-sonous and highly caustic.Always follow these preventive measures: Avoid bodily contact with electrolyticfluid as it can cause severe burns or per-manent eye injury. Wear protective eye gear when handlingor working near batteries.Antidote (EXTERNAL): SKIN - Flush with water. EYES - Flush with water for 15 minutesand get immediate medical attention.Antidote (INTERNAL): Drink large quantities of water or milkfollowed by milk of magnesia, beatenegg, or vegetable oil. Get immediatemedical attention.Batteries also generate explosive hydro-gen gas; therefore, you should always fol-low these preventive measures: Charge batteries in a well-ventilated ar-ea.