2005-2009 Kawasaki Brute Force 650/KVF 650 4x4 Service Manual, Page 399Get this manual
17-20 ELECTRICAL SYSTEM Battery
Initial Charge Place the strip [A] of caps loosely over the filler ports Newly activated sealed batteries require an initial charge
Standard Charge
1.210 hours
using recommended battery charger, follow the charger's instructions for newly activated sealed batteryKawasaki-recommended chargers: Optimate III Yuasa 1.5 Amp Automatic Charger
GP08 19B5 C
If the above chargers are not available, use equivalent
Battery Mate 150-9