Honda GX390 Oil Type, Capacity & Engine Specs [March 2025] ❤️

The Honda GX390 is a powerful and reliable small engine commonly used in generators, pressure washers, and industrial equipment.

Choosing the right oil type for your Honda GX390 engine is essential to ensure longevity, efficiency, and smooth operation.

In this guide, I will cover the best oil type, specifications, prices, maintenance tips, and frequently asked questions about the Honda GX390 oil type.

Honda GX390 Specification

 Honda GX390 Oil Type And Capacity 

Honda recommends using SAE 10W-30 oil for general use in moderate climates. However, different oil types may be used based on temperature conditions:

• SAE 10W-30 – Best for normal temperature ranges.
• SAE 5W-30 – Ideal for cold weather conditions.
• SAE 30 – Suitable for warmer climates.

Oil Capacity:

Oil Change Interval:

• Initial oil change: After 20 hours of use
• Regular oil change: Every 100 hours or annually

Honda GX390 Price 

Prices for Honda GX390 engines vary depending on the country and whether you are purchasing a new or used engine. Here is an estimated price range:

Honda GX390 Overview 

The Honda GX390 engine is widely recognized for its durability, high performance, and fuel efficiency. It is commonly used in:

• Generators
• Water pumps
• Pressure washers
• Construction equipment
• Agricultural machinery

With proper maintenance, the GX390 can last for thousands of hours, making it a preferred choice for professionals and homeowners alike.

Honda GX390 Parts 

Maintaining your Honda GX390 requires quality replacement parts. Here are some essential components:

• Air Filter
• Spark Plug
• Carburetor
• Fuel Pump
• Oil Filter
• Recoil Starter
• Piston Rings

Honda GX390 Problems And Solutions 

Like any engine, the Honda GX390 may face issues over time. Here are some common problems and solutions:

• Hard Starting: Check the spark plug, fuel line, and air filter.
• Overheating: Ensure proper ventilation and use the correct oil type.
• Low Power Output: Clean the carburetor and check for clogged fuel lines.
• Oil Leaks: Inspect gaskets and seals for wear and replace if necessary.
• Rough Idling: Adjust the carburetor settings or replace the air filter.

Honda GX390 Review 

The Honda GX390 engine is highly rated for its:

• Durability
• Fuel Efficiency
• Low Noise Levels
• Easy Maintenance
• Strong Performance

Honda GX390 Attachments And Accessories 

The Honda GX390 engine can be equipped with various attachments:

 Honda GX390 Oil Change 

If you want to change the oil in your Honda GX390 engine follow these simple steps:

1. The machine must be parked on A level surface.
2. Shut off the motor. Allow it to cool down.
3. The cap on the oil filler needs to be removed.
4. Install A drain pan over the top to take the oil out.
5. Use A wrench to take off the plug that drains the oil.
6. The oil should be removed out of the pan.
7. Once the oil has been removed and the drain pipe has been replaced, you Can replace the plug and then tighten the bolt with the aid of A wrench.
8. Clean the tank of oil.
9. Apply A thin layer of oil that is brand new to the gasket on the filter that has been replaced.
10. Set up the filter holding it with your hands until you feel the filter is securely in place.
11. Be sure to add fresh fuel to the motor.
12. Replace the cap that is used to hold the oil.
13. Start the engine And let it run for a couple of minutes.
14. Make sure that the oil is At the proper level. Add oil if needed.

When you adhere to these steps and the recommended intervals for oil changes You will be able to ensure your Honda GX390’s engine continues to operate efficiently and smoothly.

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Conclusion

Thanks for the opportunity to learn About your Honda GX390’s capacity for oil and the type. It is essential to use the recommended type of oil SAE 10W-30 motor oils to ensure the correct amount of oil within the engine.

It is vital to remember it is important to note that the Honda GX390 engine can use oil within the range of 1.16 quarters (1.1 Liters) It is vital to select an oil that is high And meets Honda’s standards for optimal performance and protection of the engine.

I hope this post can help you answer any questions you may have about the kind of oil that is used by the Honda GX390 and its capacity.

If you have additional questions or concerns, you can read the owner’s guide or consult An approved Honda dealer.

For more posts visit our website: https://engineoiil-capacity.com/

FAQ honda gx390 oil type

What is the oil capacity of a Honda GX390?

What is the oil capacity of a Honda gx390? Engine Type Air-cooled 4-stroke OHV Air cleaner Dual element Oil Capacity 1.16 US qt ( 1.1 L) Fuel Tank Capacity 6.4 U.S. qts ( 6.1 liters) Fuel Unleaded 86 octane or higher

What kind of engine does a Honda GX390 RT2 have?

The Honda Honda GX390 RT2/T2/UT2 is a 0.39 l (389 cc, 23.7 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine with horizontal shaft, manufactured by Honda Motor for general-purpose applications. From spring 2010 onwards, Honda produced the updated version of GX390 engines with larger displacement.

What kind of oil does a Honda gx340k1 take?

The Honda GX340K1 produces 11.0 HP (8.2 kW) at 3,600 rpm and 24 Nm (2.4 kg·m, 17.0 ft·lb) of torque at 2,500 rpm. It has a bore and stroke of 82.0 mm x 64.0 mm. Maintenance data. Also, what kind of oil goes in the Honda pressure washer? Replace the drain plug. Refill the pump with DP70 pump oil if available. SAE 30W non-detergent oil will also work.

When did the Honda GX390 K1 engine come out?

From spring 2010 onwards, Honda produced the updated version of the GX390 engines. These engines meet the most stringent exhaust gas emission regulation, EPA Phase III. The Honda GX390 K1 has an overhead valve design, a single-cylinder inclined by 25°, a transistorized magneto ignition system, and a horizontal carburetor with a butterfly valve.