Honda BF35A-BF45A Outboard Motors Shop Manual., Page 27Get this manual
EALERT SYSTEM
When the engine running over 3,000 min-I (rpm) warning horn sounds and rpm drops while runningIntermittent sound
Trim angle is too high.Remote control lever leans excessivey (excessive throttle angle)-
Lower the trim angle
continu&
Return the remote control lever
Check the indicator lampsI
Oil pressure lamp (green) is OFFI
Check the CDI unit
Overheat lamp {red) is ONNOTE: No problem if the oil pressure lamp turns off when the engine speed is slowed down suddenly, but turns on after idling for or minutesNOTE: No problem if the overheat lamp turns on when restarting the engine after the hot soak at high temperature, but turns off after idling for minute
Stop the engine and check the oil levelIs the oil level corect? NO
Low oil level
Stop the engine and check the water intake port for cloggingIs the water intake clogged?
No problem if the thermo wire (red) is disconnected
No problem if the oil pressure switch wire (yellow) disconnected