Nissan NS40D2 Owner's Manual

Nissan NS40D2 Outboard Motor manual cover

Pages 101

Year 2007

Language(s)

of 101

Nissan NS40D2 Outboard Motor Specification

The Nissan NS40D2 Outboard Motor is engineered to deliver reliable performance for a variety of maritime applications. This two-stroke engine offers a power output of 40 horsepower, making it suitable for small to medium-sized boats. The engine displacement stands at 737 cc, providing a balance of power and efficiency. The NS40D2 is equipped with a manual recoil start system, ensuring ease of use and reliability in diverse conditions. It features a loop-charged induction system, which enhances fuel efficiency and reduces emissions. The motor utilizes a carburetor with an accelerator pump, enabling smooth throttle response and consistent power delivery.

Cooling is managed through a water-cooling system with a thermostat, maintaining optimal operating temperatures and prolonging the engine's lifespan. The motor's gear ratio is set at 2.08:1, allowing for efficient power transfer and improved acceleration. It supports a range of propeller options, providing flexibility to suit different boating requirements. The NS40D2 includes a tiller handle for straightforward control, making it an ideal choice for recreational boaters.

The motor is designed with durability in mind, featuring a corrosion-resistant aluminum alloy construction. It weighs approximately 72 kilograms, balancing portability with robust build quality. The fuel tank capacity is 24 liters, offering extended operation without frequent refueling. This outboard motor complies with stringent emission standards, making it an environmentally conscious option for marine enthusiasts. Its compact design ensures it fits effortlessly on a variety of transom configurations, providing versatility across different watercraft. The Nissan NS40D2 Outboard Motor stands out for its combination of power, reliability, and efficiency, making it a trusted choice for both leisure and utility boating applications.

Nissan NS40D2 Outboard Motor F.A.Q.

How do I properly start the Nissan NS40D2 outboard motor?

Ensure the motor is in neutral, attach the safety lanyard, prime the fuel line by squeezing the bulb until firm, and turn the ignition key while slightly opening the throttle.

What type of fuel is recommended for the Nissan NS40D2?

The Nissan NS40D2 requires unleaded gasoline with a minimum octane rating of 87 and should be mixed with a high-quality two-stroke oil at a 50:1 ratio.

How can I troubleshoot if the motor won't start?

Check the fuel supply, ensure the safety lanyard is attached, inspect the spark plugs, and confirm the battery is charged. If issues persist, consult the user manual or a professional technician.

What is the recommended maintenance schedule for the Nissan NS40D2?

Perform regular maintenance every 100 hours or annually, including oil changes, spark plug inspection, fuel filter replacement, and propeller inspection.

How do I winterize the Nissan NS40D2 outboard motor?

Flush the engine with fresh water, add fuel stabilizer, fog the cylinders with fogging oil, and store the motor in an upright position in a dry, cool place.

What should I do if the motor overheats?

Stop the engine immediately, check for blockages in the cooling water intake, ensure adequate water flow, and inspect the impeller for damage. Restart once the issue is resolved.

How can I improve the fuel efficiency of my Nissan NS40D2?

Ensure the propeller is correctly sized and not damaged, maintain a steady throttle, and keep the motor well-tuned and serviced according to the manufacturer's guidelines.

What should I check if the motor is running rough?

Inspect the fuel for contamination, check the spark plugs for wear or fouling, and ensure the carburetor is clean and properly adjusted.

How do I replace the propeller on the Nissan NS40D2?

Remove the cotter pin and propeller nut, slide off the old propeller, apply marine grease to the shaft, and install the new propeller, securing it with the nut and cotter pin.

What are the common signs of a failing impeller in the Nissan NS40D2?

Common signs include reduced water flow from the telltale, overheating, and unusual noises. Regular inspection and replacement as part of routine maintenance can prevent failure.