2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 26Get this manual
BFBC-BF9.9C SPARK TEST
1) Remove the engine coverDrain the gasoline from the ca rbu retor
A WARNING
Gasoline is highly flammable and explosive If ignited, gasoline can burn you severely Be sure there is no spilled fuel near the engine Place the spark plug away from the spark plug holeUnburned gas can ignite if it is left in the cylinder Loosen the carburetor drain screw to drain the carburetor thoroughlyPull the recoil starter several times to release the unburned gas from the cylinder before testing the spark plug 2) Remove the spark plug caps and spark plugs 3) Pull the recoil starter several times to release the unburned gas from the cylinders4) Attach the removed spark plugs to the plug caps5) Set the ignition switch to the "ON" position (Remote control type only) and make sure that the emergency stop switch clip is engaged properly Ground the negative electrode (i.ethreaded part) of each spark plug against the thermostat cover bolt and pull the recoil starter rope to check whether sparks jump across the electrodes6) Remove the spark plugs from the spark plug caps and install the spark plugs to the other cylinder spark plug cap and check spark for the other cylinder