Honda BF35A-BF45A Outboard Motors Shop Manual., Page 208Get this manual
CHARGING COIL 12V-6A NOTE
It is not necessary remove the coil: Remove the engine cover and disconnect the charging coil connector from the right side of the engine (P6-21
Measure the resistance between each terminal of the charging coil with the tester
Resistance
CHARGING COIL 12V-10A (OPTIONAL)
Measure the resistance between each terminal of the charging coil kit with the tester
Resistance
0.1 7-0.23 0
IGNITION COIL
For ignition coil replacement, see page 16-4