2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 138Get this manual

2002 Yamaha YFM660 Grizzly factory service and repair manual, Page 138

CHECKING THE BATTERY Charging method using variable voltage charger

Charger

Measure the open-circuit voltage prior to chargingAmmeter

NOTE: Leave the battery unused for more than 30 minutes before measuring its open-circuit voltageNOTE:

Connect charger and ammeter to the battery and start charging
Set the charging voltage to 1617 V(If the charging voltage is lower, charging will be insufficient, if it is higher, the battery will be overcharged NO