Chrysler 4 HP Outboard Motor Service Manual OB 2278, Page 58Get this manual
SECTION XIITROUBLE CHECK LIST TROUBLE
1Engine will not start
POSSIBLE CAUSE
Fuel tank emptyFuel line kinked or pinchedVent screw gasket obstructing air flowVent screw on fuel tank cap closedCarburetor passages clogged Old fuelEngine floodedFouled spark plugBreaker point out of adjustmentWeak ignition coil Defective condenserFrayed or cracked lead wire insulation Faulty wiring in electrical system Fuel line kinked or pinchedFuel filter dirty or cloggedVent screw on fuel tank cap closedAir leak in engine Air leak in fuel system Carburetor passages clogged Incorrect fuel-oil mixtureWrong type spark plugFouled spark plugBreaker points out of adjustmentBreaker points burned or pittedWeak ignition coil Old fuelAir leak in engine Air leak in fuel system Incorrect fuel-oil mixtureWrong type spark plugDefective or fouled spark plugBreaker points out of adjustmentBreaker points pitted or burnedWeak ignition coil Defective condenserFaulty lead wireLoose wiring in electrical system Carburetor out of adjustmentOld fuelCarburetor out of adjustmentFuel line kinked or pinchedFuel filter dirtyVent screw on fuel cap not openedAir leak in engine Air leak in fuel system Old fuelCarburetor clogged or dirty Incorrect fuel-oil mixtureDefective or fouled spark plugBreaker points out of adjustmentWeak Ignition Coil