Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 23Get this manual
From page 2-16 1 6.Disconnect the pulse generator 1
coil wire connector, and check for resistance
Abnormal
Replace the pulse generator coil
7.Check for voltage leakage caused by damaged high tension wire insulationCheck the ignition coil resistancesResistance: Primary: 0.35 0.43 Secondary: 23.0 34.8 kfl