Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 204Get this manual
- 3Overheat alert system The BF25A is equipped with the overheat alert system which protects the engine by controlling the engine speed in the CDI circuit when the engine is overheated
Principal operation
When trouble occurs, the system slows down the engine speed gradually, as sharp drop of the engine speed is very dangerous for the operator as if the boat is slowed suddenlyThe system is provided with an indicator light and buzzer sound (remote control type) indicate the cause of trouble the operator
1) Engine speed control
141 Buzzer sounds
[51 Alert sensor OFF [61 sec
1131 Under way
[Stable speed