Honda GXV390 2021 Owner's Manual

Honda GXV390 2021 Engine manual cover
Pages 60
Year 2021
Language(s)
English en
French fr
Spanish sp

Honda GXV390 2021 Engine Specification

The Honda GXV390 2021 is a robust and reliable engine designed for heavy-duty applications, offering powerful performance and durability. This engine features a displacement of 389 cubic centimeters and operates as a four-stroke, overhead valve (OHV) engine, ensuring efficient fuel combustion and reduced emissions. It delivers a net power output of 10.2 horsepower at 3,600 RPM and a net torque of 19.5 Nm at 2,500 RPM, making it suitable for demanding tasks in commercial and industrial settings. The GXV390 is equipped with a horizontal shaft and a recoil or electric starter, providing versatility and ease of use in various machinery applications.

The engine's compact dimensions, measuring approximately 15.2 inches in length, 17.5 inches in width, and 17.7 inches in height, allow for seamless integration into a wide range of equipment. It weighs around 69 pounds, ensuring a balance between portability and stability. Honda's precision-engineered components, including a cast iron cylinder sleeve and a dual-element air cleaner, enhance the engine's longevity and performance. The lubrication system is a splash type with an oil capacity of 1.16 quarts, promoting optimal engine health and minimizing maintenance requirements.

Fuel efficiency is a standout feature, with the GXV390 utilizing unleaded gasoline and accommodating a fuel tank capacity of 1.6 gallons. The engine's design adheres to stringent emission standards, underscoring Honda's commitment to environmental sustainability. Additionally, its advanced design incorporates easy maintenance features such as a large fuel tank opening and accessible oil drain and fill points. The Honda GXV390 2021 engine exemplifies durability, efficiency, and power, making it a preferred choice for professionals seeking a high-performance solution for their equipment needs.

Honda GXV390 2021 Engine F.A.Q.

What type of oil should be used for the Honda GXV390 2021 engine?

Use SAE 10W-30 for general use. For varying temperatures, you may refer to the owner’s manual for more specific recommendations.

How often should the air filter be replaced on the Honda GXV390 2021 engine?

The air filter should be checked every 25 hours of operation and replaced if necessary. In dusty environments, check more frequently.

What is the recommended spark plug for the Honda GXV390 2021 engine?

The recommended spark plug is BPR5ES (NGK) or W16EPR-U (DENSO). Ensure it is properly gapped to 0.028-0.031 inches.

How can I troubleshoot starting issues with the Honda GXV390 2021 engine?

Check the fuel level, ensure the fuel valve is on, inspect the spark plug, and verify the choke position. If the problem persists, consult a professional.

What is the procedure for adjusting the idle speed on the Honda GXV390 2021 engine?

To adjust the idle speed, locate the idle adjustment screw on the carburetor and turn it clockwise to increase or counterclockwise to decrease the speed. Ensure the engine is warm before making adjustments.

How do I perform regular maintenance on the Honda GXV390 2021 engine?

Regular maintenance includes changing the oil every 50 hours, checking and cleaning the air filter every 25 hours, and inspecting the spark plug every 100 hours. Adjust as needed based on usage conditions.

What should I do if the Honda GXV390 2021 engine overheats?

Stop the engine immediately and inspect for any blockages around the cooling fins. Check the oil level, and ensure proper ventilation. If the problem persists, consult a technician.

How can I winterize the Honda GXV390 2021 engine?

To winterize, drain the fuel tank and carburetor, change the oil, and remove the spark plug to pour a tablespoon of oil into the cylinder. Store in a dry place.

What is the correct procedure for replacing the fuel filter on the Honda GXV390 2021 engine?

Turn off the fuel valve, remove the fuel line from the carburetor, replace the old filter with a new one, reattach the fuel line, and turn the fuel valve back on.

How do I check the compression on the Honda GXV390 2021 engine?

Remove the spark plug and attach a compression tester to the spark plug hole. Pull the starter cord several times and check the compression reading, which should be within the manufacturer's specifications.