Honda Outboards BF40A/BF50A Service Manual, Page 383Get this manual
BF40A-BF50A
2POWER COIL
Disconnect the 2P power coil connector, and measure the resistance between the terminalsStandard resistance
7.028.58 n
[1] POWER COIL
See page 6-1 for the power coil replacement
3ECT (Engine Coolant Temperature) SENSOR
The sensor resistance decreases as the coolant temperature increases as shown on the right table1) Disconnect the 2P connector from the thermo sensor and measure the resistance between the sensor terminals at the room temperatureStandard resistance:kQ