Engine idles
irregularly or
stalls
Spark plug gap is incorrect Inspect and adjust as specified
Ignition wiring damaged or poorly
connected
Check wires for wear or breaks.
Tighten all loose connections.
Replace worn or broken wires
Specified engine oil is not being used
Check and replace oil as specified
Thermostat is faulty or clogged
Have serviced by your dealer
Carburetor adjustments are incorrect
Have serviced by your dealer
Carburetor is clogged Have serviced by your dealer
Air vent screw on fuel tank is closed Open air vent screw
Throttle valve adjustment is incorrect Have serviced by your dealer
Choke knob is pulled out Return to home position
Motor angle is too high Return to normal operating position
Engine power
loss
Propeller is damaged Repair or replace propeller
Trim angle is incorrect
Adjust trim angle to achieve most
efficient operation
Motor is mounted at incorrect
Adjust motor to proper transom
Boat bottom is fouled with marine
growth
Clean boat bottom
51
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