Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 26Get this manual
Starter Motor and Engine Turn Slowly 1 1.Check the batteryAbnormal
Replace or charge the batteryConnect the battery terminals securely remove the corrosion
1 2.Check the engine oil viscosity1
Replace the engine oil
Good 3.Connect the battery the starter motor directly and check whether the starter motor turnsI
Turns normally
Replace the starter magnetic switch
Does not turn Replace or overhaul the starter motorFaulty brush holder or arma-
dCHARGING SYSTEM Battery Under Charged
1 1.Check the battery condition and cable connectionI