4-26EcC8 Make sure the main switch (on applica-ble models) is “OFF” before working onthe battery.8 Reversal of the battery leads will dam-age the rectifier.8 Connect the RED lead first wheninstalling the battery and disconnectthe RED lead last when removing it.Otherwise, the electrical system can bedamaged.8 The electrical contacts of the batteryand cables must be clean and properlyconnected, or the battery will not startthe engine.Connect the RED lead to the POSITIVE (+)terminal first. Then connect the BLACKlead to the NEGATIVE (-) terminal.UPPER LEVELLOWER LEVEL0003598 Using an accessory battery (option)Use a connecting cable between the (-)terminals of the starting battery andaccessory battery. See the illustrations ofthe wiring connections. This cable mustbe made from wire equivalent to the start-ing battery cable 3.wUse of smaller wire could lead to a fire.1 Battery for starting2 Battery for accessories3 Large red lead for starting battery4 Small red lead for accessory battery charg-ing (optional part)5 Large black lead6 Negative connecting cable (optional part)NOTE:If a battery selector switch is desired, con-sult your YAMAHA dealer about correctwiring.901014*wer t yq