Remove the seat and the battery is immediately visible, held down by a strap.
Under the seat
front 36psi rear 42psi
12 volt.
Under the seat.
The battery size for a 2002 Honda CBR 600 F4I is YTZ10S. This battery can be purchased at any cycle shop or auto parts store.
Will a 1992 Honda cbr f2 gas tank fit a 1998 Honda cbr f3
Its under the seat. Take off the side pannels, unscrew the seat and open the battery box.
Your floats are stuck open. You need to clean your carbs. or adjust them.
You either have a bad stator or regulator/rectafier
http://www.bossturbo.com/cbr/howto_oilchange.shtml
No!
10w40 fully synthetic oil is by far the best choice. Motul, Mobil 1 or Castrol - trusted brands you can put your money on.