Honda BF115A, BF130A Outboard Motors Shop Manual., Page 132Get this manual
HONDA BFll5A-13OA
PRESSURE REGULATOR
INSPECTION: Measure the fuel pressureIf the measurement is outside the specification, check the fuel pump unit (P5-48) to be sure it is normalThen, check the pressure regulator
PRESSURE REGULATOR
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 immediatelydisconnected and damaged2) Remove the propellerSet the gear case in test tank filled with water and start the engine3) With the engine idling, disconnect the vacuum tube from the pressure regulator and clamp the vacuum tube4) Check the fuel pressureIt should be higher than the pressureVACUUM TUBE
1) Check that the pressure regulator vacuum tube is not bent,
measured with the vacuum tube connectedStarndard fuel pressure [At idle speed of 750 50 min-I (rpmll