Yamaha 20C Owner's Manual

Also see for 20C: Service manual Owner's manual

4-8EMK29010Battery CarewBattery electrolyte is poisonous and dan-gerous, causing severe burns, etc. It con-tains sulfuric acid. Avoid contact withskin, eyes, or clothing.Antidote:EXTERNAL; Flush with water.INTERNAL; Drink large quantities ofwater or milk. Follow with milk of mag-nesia, beaten egg, or vegetable oil. Callphysician immediately.EYES; Flush with water for 15 minutesand get prompt medical attention.Batteries produce explosive gases: Keepsparks, flame, cigarettes, etc. away. Ven-tilate when charging or using in a closedspace. Always wear eye protection whenworking near batteries.KEEP OUT OF REACH OF CHILDREN.NOTE:Batteries vary among manufacturers.Therefore the following procedures maynot always apply. Consult your batterymanufacturer’s instructions.1) Disconnect and remove the batteryfrom the boat. Always disconnect theblack negative lead first to prevent therisk of shorting.2) Clean the battery casing and termi-nals. Fill each cell to the upper levelwith distilled water.3) Store the battery on a level surface ina cool, dry, well-ventilated place outof direct sunlight.4) Once a month, check the specificgravity of the electrolyte and rechargeas required to prolong battery life.GB901015UPPER LEVELLOWER LEVEL