Honda BF9.9A-BF15A Outboard Motors Shop Manual., Page 21Get this manual
HONDA BF9.SA-BF15A
TROUBLESHOOTING
ENGINE aHARD STARTING
Check the fuel level the fuel tank
in the tank-m
Add fuel and restart the engineCheck for collapsed or prinched fuel lineCheck for clogged fuel tank breather hole: Close the tank vent knob, shake the tank, and open the vent knob, listen for hissCheck for air leaks past the primer bulbSqueeze the primer bulb and be sure that
Remove the carburetor drain screw see if there is fuel the float bowl
+Fuel flow restricted-Fuel flows freely
Check for clogged fuel filter and connector
Remove the spark plug and check for wet fouled electrod-
Fuel pump faulty Check for clogged carburetor portnozzleWet with fuel-
Clean and reinstall the plug, then restart the engineI excessively wet, check the carburetor
(P.2-12)CAUTION: not check near the plug hole
Attach the plug cap and ground the electrodePull the recoil starter and check for sparks