13 HP Honda Engine Oil Type [Update 2023] ❤️

13 HP Honda Engine Oil Type: The kind of oil that is suggested for a 13-horsepower Honda engine depends on the engine’s particular model and the usage circumstances.

Honda generally advises using a 4-cycle SAE 10W-30 engine oil that satisfies the API service classification of SF, SG, SH, SJ, SL, or SM. These designations show that the oil satisfies certain API performance requirements.

You should refer to your engine’s owner’s handbook or get in touch with a Honda dealer or authorized service facility for more details on the recommended oil type for your 13-horsepower Honda engine.

Use the oil type that is advised for your engine because it is made to offer the right lubrication, corrosion protection, and other advantages for your particular engine. The improper oil can harm your engine, diminish its performance, and reduce its lifespan.


The Honda GX390 is a powerful and reliable engine that can be used in a variety of applications, from generators to pressure washers.

Like any engine, the GX390 requires regular maintenance to keep it running smoothly. One important part of that maintenance is changing the oil. But how much oil does a Honda GX390 engine need?

In this article, we’ll explore the Honda GX390 oil capacity, how to check the oil level, and how to change the oil.

13 HP Honda Engine Oil Type

The oil type recommended for a 13HP Honda engine is SAE 10W-30, a 4-stroke engine oil. It’s essential to choose an oil that is compatible with or exceeds the specifications of Honda to ensure the best performance and protection.

It is also suggested to clean the engine oil and filter in the initial 20 hours of operation and every 100 hours thereafter or each season, depending on what is first.

Capacity for Oil of the Honda GX390:

Without filtration, the oil contained in the Honda GX390 can hold up to 1.16 US quarts (1.1 liters) when filtered. However, with filtration, it could be able to hold 1.28 US quarts (1.2 liters).

It’s crucial to check the engine’s fuel, oil, and condition to ensure it runs smoothly. Foaming happens in the event that an engine has been filled with oil. This reduces the oil’s protection properties and could result in engine failure.

The engine might be damaged if not properly filled, because this could increase the rate of wear and wear on the engine’s components.

13 HP Honda Engine Oil Filter

The recommended oil filter to use for the 13HP Honda engine would be one of Honda’s OEM oil filters.

It’s essential to select an oil filter of high quality that exceeds or meets Honda’s specifications to ensure the proper filtering and protection for your engine.

It is recommended to change the filter on your oil at every oil change to ensure the best performance and longevity of the engine.

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How to Determine the Oil Level:

Examining the level of oil in the Honda GX390 engine is an easy process. Here’s how you can do it:

  • Find the cap that fills the oil in the front of your engine. It’s usually either yellow or black and has an oil-can symbol.
  • Take off the cap on the oil filler and clean the dipstick with a paper towel.
  • Place the dipstick back in the hole for filling up with oil Make sure that it’s properly set.
  • Take it off and examine the level of the oil. The oil should fall between the lower and upper markings in the dipstick. If the level of oil is lower than at the lower point, then add oil until it reaches the upper mark.

How to change the oil:

The steps: Run the engine for several minutes to start it.

  • Start the engine. Better oil flow.
  • Start the engine.
  • Find the drain plug for oil in the lower part of your engine. It’s usually a bolt or the hex bolt.
  • Install the pan for draining oil underneath the engine in order to capture the oil.
  • Pull the oil drain plug and empty the oil from the pan.
    After the oil has been drained completely, you can replace the drain plug for oil.
  • The cap for the oil filler must be removed and then add the appropriate quantity of engine oil making use of a funnel, if needed.
  • Replace the cap on the oil filler and then start the engine.
  • The engine should be running for a couple of minutes before turning it off and verify the level of the oil by using the dipstick.
  • In case of need, add more oil after which you can change the dipstick as well as the oil cap on the filler.

13 HP Honda Engine Specifications

Model GX390K1
Type 4-stroke, OHV, single-cylinder, inclined by 25°
Displacement 389 cm 3 (23.7 cu·in)
Max. horsepower 13.0 HP (10.0 kW) at 3,600 rpm
Max. torque (crank PTO) 27 Nm (2.7 kg·m, 20.0 ft·lb) at 2,500 rpm
Carburetor Horizontal type, butterfly valve
Cooling system Forced-air
Ignition system Transistorized magneto ignition
Lubricating system Forced splash
Starting system Recoil and Starter motor
Stopping system Ignition primary circuit ground
Fuel used Unleaded gasoline (octane number 86 or higher)
Fuel consumption 6.5 Liters (1.72 US gal, 1.43 Imp gal) / h
PTO shaft rotation Counterclockwise (from the PTO shaft side)

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A proper maintenance schedule is vital to the performance and longevity of the Honda GX390’s engine.

Understanding the proper capacity of your oil as well as how to monitor and replace the oil is a crucial component of maintenance.

If you follow the guidelines within this post, you’ll be able to make sure the engines are secured from damage and lubricated. Make sure you use the right quantity and type of oil and remove the oil you used correctly.

By maintaining it regularly regular maintenance, your Honda GX390 engine will provide steady power for many years to come.

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

FAQ 13 hp Honda engine oil type

How much oil does a 13-hp Honda engine hold?

In light of this, how much oil does an engine with 13 horsepower from Honda hold? The capacity of oil: 1.16 quarts (US) (1.1 L) Fuel tank capacity: 6.4 U.S. qts (6.1 liters) Fuel must be unleaded and at least 86 octanes. Weight without moisture: 69 lb (31.5 kg) How does Honda Oil Alert work?

What is the Honda engine oil application guide?

In developing this series of groundbreaking engines, Honda has engineered a range of oils to match precisely the requirements of the engines. The Genuine Oil Application Guide enables the dealership network as well as the customers, to choose the right engine oil for your Honda ensuring efficiency and the best performance.

What type of oil goes in a Honda GX390?

What type of oil goes in a Honda gx390? To be specific about Honda’s GX390 oil recommendations, they claim 10W-30 for general use. Straight 30 for temps over 10C (50f) And for LPG GX390 they specifically prohibit multi-grade oils and simply require straight 30. Also know, how much oil goes in a Honda gx390?

What kind of oil does a Honda pressure washer take?

How about the Honda pressure washer? Drain plug replacement. If DP70 oil is available, refill the pump. Non-detergent SAE 30W oil works too.

What is the best oil kind for a 13HP Honda engine?

The most recommended type of oil for a 13HP Honda engine is SAE 10W-30 4-stroke engine oil.

Can I use synthetic oil in my 13 HP Honda engine?

Yes, you can make use of synthetic oil, however, it should conform to or exceed the specifications of Honda.

How often do I need to replace the oil on my 13HP Honda engine?

It is recommended to replace the oil and filter after the initial 20 hours of use and thereafter at least every 100 hours or once a season, or when it’s the first.

Are there any restrictions on mixing different types or brands of oils in my 13HP Honda engine?

It is not advised to mix different types or brands of oil because this could affect the performance of your engine and also protect the engine.

What’s the API service’s classification?

API service classification API classification of services is a norm set by the American Petroleum Institute (API) to ensure the quality of motor oil and performance. It guarantees that oil meets the requirements of engine protection and performance.

What’s the JASO T 903 specification?

The JASO T 903 specification is a norm established by the Japanese Automotive Standards Organization (JASO) for motorcycle and ATV engine oil performance and quality. It makes sure that oils meet the requirements of engine protection and clutch performance.

Can I reuse the old oil filter while changing an oil filter in my 13 HP Honda engine?

It is not advised to reuse an old oil filter since it could not effectively filter the oil and could cause damage to the engine.

Where can I get more details about the type of oil and change process for my 13 HP Honda engine?

You can refer to the owner’s manual, or speak with a certified mechanic to get additional information regarding the recommended type of oil and the recommended oil change procedure for Your 13 HP Honda engine.