Honda BF115A, BF130A Outboard Motors Shop Manual., Page 461Get this manual
HONDA BF115A-BF130A
RADIO STATION MOUNTINGIUSAGE
The Electronic Control Unit (ECU) is installed on the engineThe ECU and the ECU wires are designed so that they are not affected by external jamming, but the ECU can malfunction when it receives an extremely strong electronic signal waveCheck the ECU for any malfunctions whenever VHF radio station is used on the boatObserve the following instructions to prevent the ECU from malfunctioningDo not install radio station that does not conform to local laws and regulations (10W or less)Connect the positive and negative radio leads to the boat wiring harness not the engine related wiring harnessesAfter installing radio station, the ECU must be checked for any malfunctions by running the engine and transmitting from the radioIf the engine performance is adversely effected during radio transmission, inspect radio for proper installation location, settings, and general operation