Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 61Get this manual
HONDA BFSOASSA
9) Disconnect and remove the 6A or 10A charge coil (Electric starter type only) and exciter coil (P6-11Remove the wire holder
[ELECTRIC STARTER TYPE ONLY1
CHARGE COIL
10) Loosen the 38 flange bolt on the timing belt tensionerThen while pushing the belt tensioner in the direction of the arrow, tighten the 38 mm flange bolt,
CAUTION Do not use force when removing the timing beltDo not pry with screw driver or other device11 Lift the timing belt from the timing belt tensioner first, then remove the timing belt from the cam pulley, and last from the timing pulley
[31 TIMING BELT 141 TIMING PULLEY
Do not contaminate the timing belt with oil or greaseDo not bend the timing beltStore the timing belt by hanging it on the wallDo not reuse worn or damaged timing beltCINSTALLAITON