Nissan NS3.5B Owner's Manual
![Nissan NS3.5B Outboard Motor manual cover](/images/gQLFKmUefhFvDkbqjfGkQGiJ/thumbs/thumb175x175.webp)
The recommended fuel type for the Nissan NS3.5B outboard motor is regular unleaded gasoline with a minimum octane rating of 87.
It is advised to perform routine maintenance on the Nissan NS3.5B outboard motor every 100 hours of operation or at least once a year, whichever comes first.
To winterize the Nissan NS3.5B, ensure the fuel system is stabilized, the engine is flushed with fresh water, and all water is drained from the engine. Store in a dry place.
Check the fuel level, ensure the fuel is fresh, inspect the spark plug for wear, and verify that the kill switch is in the run position.
Use a high-quality 2-stroke engine oil specifically designed for outboard motors, preferably one that meets the NMMA TC-W3 standard.
To adjust the idle speed, locate the idle adjustment screw on the carburetor and turn it clockwise to increase idle speed or counterclockwise to decrease it.
If the motor overheats, stop the engine immediately, check for water flow issues, inspect the water intake for blockages, and ensure the impeller is functioning.
To replace the spark plug, remove the spark plug cover, use a spark plug socket to unscrew the old plug, and install a new plug with the correct gap.
Yes, the Nissan NS3.5B can be used in saltwater, but it is important to flush the engine with fresh water after each use to prevent corrosion.
For the first 10 hours, operate at varying speeds without going full throttle for extended periods. Avoid prolonged idling and high-speed operation.