2006-2009 Yamaha YFM700RV Raptor 700RV factory service manual, Page 142Get this manual
CHECKING AND CHARGING THE BATTERY
bCheck the charge of the battery, as shown in the charts and the following exampleExample cOpen-circuit voltage12.0 dCharging time6.5 hours eCharge of the battery2030
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Charging Open-circuit voltage (V)
Ambient temperature 20 (68 F)