2008-2010 Kawasaki KFX450R Factory Service Manual, Page 449Get this manual

2008-2010 Kawasaki KFX450R Factory Service Manual, Page 449

ELECTRICAL SYSTEM 16-49 Lighting System
Headlight Beam Vertical Adjustment
on each Turn the adjuster [A]verticallyheadlight rim in or out to adjust the headlight

On high beam, the brightest point should be slightly below horizontal with the vehicle on its wheels and the rider seatedAdjust both headlights to the same angle
Headlight Bulb Replacement