Nissan NSF4A2 Owner's Manual
![Nissan NSF4A2 Outboard Motor manual cover](/images/kFCdFpFnfGSlUMSAYxKLqmrj/thumbs/thumb175x175.webp)
The recommended fuel type for the Nissan NSF4A2 Outboard Motor is unleaded gasoline with a minimum octane rating of 87.
Routine maintenance includes checking and replacing the engine oil, inspecting the spark plug, cleaning the fuel filter, and lubricating moving parts. Refer to the owner's manual for a detailed maintenance schedule.
To winterize the motor, drain the fuel system, replace the engine oil, remove the spark plug and spray fogging oil into the cylinder, and store the motor in a dry place.
Check the fuel level, inspect the spark plug for wear, ensure the kill switch is disengaged, and verify that the battery is charged.
Stop the engine immediately, check for blockages in the water intake, ensure the water pump is functioning properly, and inspect the thermostat.
Locate the idle speed adjustment screw on the carburetor, and turn it clockwise to increase the idle speed or counterclockwise to decrease it. Adjust until the engine runs smoothly at idle.
The oil capacity for the Nissan NSF4A2 Outboard Motor is approximately 0.8 liters (0.85 US quarts).
The spark plug should be inspected every 100 hours of operation or annually, and replaced if necessary to ensure optimal performance.
Check the fuel mixture to ensure it is correct, inspect the spark plug for fouling, and verify that the air intake is not blocked.
To improve fuel efficiency, ensure the propeller is the correct size and pitch, maintain a steady throttle, and perform regular engine maintenance.