Honda BF115A, BF130A Outboard Motors Shop Manual., Page 36Get this manual
Symptom
Pressure check Upper chamber blow-off pressure lower than specor pressure dropsCheck point Checkirepair d
D Does Does not holdLower chamber blow-off pressure lot tilt not tilt lower than specupdownLowersor pressure drops
Check according the motor check procedureCheck the manual valve for foreign material and the O-ring surface for damageWash or replace the manual valve necessaryCheck the O-ring surface for damage or foreign material and replace if necessaryDo not disassemble the free piston as it is the uaranteed part of the assemblyheck the ball seat for damage or foreign material Wash or replace the free piston if necessaryCheck the O-ring surface for damage and foreigr materialReplace if necessaryDo not disassemble the piston rod cornpas it is the guaranteed part of the assemblyCheck the ball seat for damage or foreign materialWash the shock relief valve or replace the piston rod cornpi necessaryDO not disassemble the piston rod cornpas it is the guaranteed part of the assemblyCheck the O-ring surface for damage or foreign materialReplace the piston rod cornpif necessary Check the oil level and add the oil if necessary