Chrysler 6, 7.5, 180 Sailor Outboard Motors Service Manual, OB 3330, Page 27Get this manual
fresh supply of properly mixed fuel in the tankOpen the vent of the fuel tank cap and prime the motor by squeezing the prime bulbWhen the carburetor bowl is full of fuelpressure will be felt on the priming bulb No Fuel To Carburetor BowlIf the carburetor bowl is dry, check the line for obstruction Disconnect the fuel line from the motor quick-disconnect coupling, and then depress the check valve (poppet) in the fuel line couplingSqueeze the bulb and fuel should come out of the line, if it is not obstructed If squeezing the priming bulb produces fuel flow, then the trouble is in the carburetor, probably stuck float valve or binding floatNo Fuel To Combustion ChamberRemove spark plug and check its condition dry plug means that no fuel is reaching the combustion chamberIf the carburetor fuel bowl is known to be fullbut the spark plug is dry, then the carburetor jets may be pluggedFloodingA wet spark plug means that the moto has been over-chokedGo through the procedure for starting flooded motorDisconnect the fuel supply line from the motor, remove both spark plugs and then spin the flywheel several times to remove the excess fuel from the combustion chambersReconnect the fuel line, replace the spark plugs and then start the motor in the normal manner