Honda BF115A, BF130A Outboard Motors Shop Manual., Page 424Get this manual
3VAPOR SEPARATORIFUEL PUMP UNIT Disconnect the battery cable from the battery negative (-1 terminalRelieve the fuel pressure before removing the vapor separator (P5-1)
Gasoline is highly flammable and explosiveYou can be burned or seriously injured when handling fuelKeep heat, sparks, and flame awayHandle fuel only outdoorsWipe up spills immediatelyRemove the engine cover and rear separate case (P4-1 of the base shop manual)Relieve the fuel pressure and remove the engine oil dipstickDrain the vapor separator (P3-23 of the base shop manual)