2008-2010 Kawasaki KFX450R Factory Service Manual, Page 421Get this manual
ELECTRICAL SYSTEM 16-21 Battery
the container from the battery Gently removesit for 30 minutes prior to charging to allow Let the battery to permeate into the plates for optimum the electrolyte performance
Charging the battery immediately after filling can shorten service lifeLet the battery sit for at least 30 minutes after filling
Initial Charge Place the strip [A] of caps loosely over the filler portsNewly activated sealed batteries require an initial chargeStandard Charge 1.2 10 hours
If using recommended battery charger, follow the charger's instructions for newly activated sealed batteryKawasaki-recommended chargers: Optimate III Yuasa 1.5 Amp Automatic Charger Battery Mate 1509