2003 Honda CB 250 Nighthawk "parts" Questions

need to change the headlight bulb since the low beam doesn't work anymore, but do not find the part number. Can anybody help me? you do not need a part no for a head light globe simply remove the ...

...is moving free an not seized if stuck need to remove carb an soak it with no plastic or rubber parts in carb ...

...it going. I got a new battery and installed correctly but will not hold charge. What could it be? Parts needed? Check and see if magneto is charging. my just be putting out enough to run lights. or ...