Honda Gn4 Oil Equivalent: Unveiling the Power Behind Superior Performance

Honda Gn4 Oil Equivalent

The Honda GN4 Oil Equivalents are  Mobil 1 Racing 4T, Castrol’s Power 1 4T and Shell Rotella 15w-40 

General Alternatives:

  • 10W-40 Motorcycle Oil: This is a widely available option that meets the JASO MA standard required for wet clutches. Popular brands include Shell Rotella T4, Valvoline Motorcycle Oil, and Castrol Power 1.
  • 15W-40 Motorcycle Oil: Suitable for warmer climates or older engines, offering increased high-temperature viscosity. Options include Lucas Motorcycle Oil, Motul 5100, and Amsoil MC V.

Synthetic Options:

  • 10W-40 Synthetic Motorcycle Oil: Provides increased performance and protection, particularly in cold weather. Options include Mobil 1 Motorcycle Oil, Motul 7100, and Red Line Motorcycle Oil.

Mobil 1 Racing 4T is the best oil alternative to Honda GN4 10w40 motorcycle oil. It boasts a high-performance synthetic formula suitable for both motorcycles and ATVs. With a focus on anti-wear properties, it ensures long-lasting engine protection. Learn more about why this oil is a favored choice among Honda enthusiasts.

Mobil 1 98JA11 10W-40 Racing 4T Motorcycle Oil for Sport Bikes

Castrol’s Power 1 4T is a 4-stroke oil, making it a strong competitor to Honda GN4 oil. This oil excels in providing superior protection against engine wear and deposit buildup. Explore its chemical composition and how it enhances engine performance.

Castrol Power1 4T 10W-40 Full Synthetic Motorcycle Oil

Shell Rotella T4 full synthetic honda motorcycle oil has gained recognition for its versatility in many four-stroke gasoline engines. It stands out for its exceptional protection, particularly in high-temperature conditions. Discover real-world scenarios where this oil has proven its effectiveness in Honda engines.

Other Factors to Consider:

  • Your Engine’s Age and Condition: Older engines may benefit from thicker oils like 15W-40, while newer engines can often use thinner oils like 10W-40.
  • Climate: Warmer climates may necessitate an oil with higher high-temperature viscosity, like 15W-40 or 15W-50.
  • Riding Style: Aggressive riding styles or frequent stop-and-go traffic may require full synthetic oil for its superior heat dissipation and wear protection.

Four-Stroke Motorcycle Application:

  • This oil is specifically engineered for use in four-stroke motorcycle engines.
  • It is suitable for a wide range of motorcycle types, including cruisers, sportbikes, touring bikes, and more.

Engine Protection:

  • Valvoline 4 Stroke Motorcycle Oil 10W-40 is designed to protect motorcycle engines against wear and tear, extending engine life.
  • It provides excellent film strength to reduce friction and prevent metal-to-metal contact in the engine components.

Temperature Stability:

  • This oil maintains its viscosity and performance under a wide range of temperatures, ensuring consistent lubrication in various riding conditions.

Enhanced Cleaning Properties:

  • The oil contains detergents and dispersants that help keep the engine clean by preventing the buildup of sludge and deposits.

Wet Clutch Compatibility:

  • Many motorcycles with manual transmissions use a wet clutch system. Valvoline’s motorcycle oil is formulated to be compatible with wet clutches, preventing slippage and ensuring smooth gear changes.

API Certification:

  • Valvoline 4 Stroke Motorcycle Oil 10W-40 typically meets or exceeds industry standards and is often API (American Petroleum Institute) certified, indicating its quality and performance.

Shell Rotella T4 15W-40 is a top-tier engine oil designed with high-mileage vehicles in mind. Its full synthetic formulation offers exceptional protection and performance, especially for engines with extended use. This oil contains special additives that combat sludge buildup, reduce engine deposits, and promote engine cleanliness.

Mobil 1 98JA11 10W-40 is a premium choice for vehicle enthusiasts seeking the best for their vehicle. Formulated with 100% synthetic base stocks and Motul’s proprietary Ester technology, this oil delivers exceptional lubrication and protection. Its 5W-40 viscosity grade ensures smooth flow in various temperature conditions, ensuring quick startup and consistent engine performance.

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Understanding Honda GN4 Oil

Honda Gn4 Oil Equivalent

Before considering alternatives, let’s gain a deep understanding of Honda GN4 oil itself.

This specially formulated oil is designed to meet Honda’s strict specifications, offering exceptional lubrication and protection for Honda engines.

Honda engineers have meticulously crafted this oil to ensure it delivers the utmost performance and longevity.

What Is Special About Honda Gn4 Oil?

Honda GN4 oil is formulated with advanced additives to provide lower fluid friction compared to conventional honda oils. This results in improved engine efficiency and reduced wear, making it a preferred choice for Honda motorcycles and other small engines.

Difference Between Honda Gn4 Oil And Honda Hp4s Oil

Here’s a short table summarizing the differences between Honda GN4 oil and Honda HP4S oil:

AspectHonda GN4 OilHonda HP4S Oil
Lubrication PerformanceSuperiorSuperior
Impact on HorsepowerStandardHigher
Impact on TorqueStandardHigher
CompositionMineral OilFull-Synthetic
Performance ComparisonOutperforms most mineral oilsOutperforms competitors, including some full-synthetics

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Is 10w50 Better Than 10w30?

Whether 10W-50 or 10W-30 is better depends on your specific needs. 10W-50 oil provides better high-temperature protection and is suitable for heavy-duty engines or extreme conditions. However, it may result in slightly slower cold startups, potentially causing a bit more wear. 

In contrast, 10W-30 offers better low-temperature flow, making it suitable for regular use in moderate climates, where cold starts are common. Your choice should align with your engine’s requirements and the environment it operates in.

Why Does Honda Recommend 10w30?

Honda, like many other automotive manufacturers, recommends specific motor oil viscosities for their engines based on a variety of factors. Here’s why Honda might recommend 10W-30 oil:

Temperature Range

The “10W” in 10W-30 indicates the oil’s viscosity at low temperatures -25°C (-13°F) to 30°C (86°F). It means the oil has a lower viscosity when cold, making it easier to flow and lubricate the engine components during cold starts. 

Viscosity at Operating Temperature:

The “30” in 10W-30 represents the oil’s viscosity at operating temperature. It indicates that the oil maintains its viscosity within a specific range when the engine is at its normal operating temperature. This is essential for providing sufficient lubrication and protection to engine components under the heat and stress of normal driving conditions.

Fuel Efficiency

Many modern engines are designed to use lower viscosity oils, like 10W-30, to help improve fuel efficiency. Thicker oils (higher viscosity) can create more internal friction, which can reduce fuel economy 9.30cST to 12.49cST. 

Emission Control

Thinner oils may help reduce emissions, as they can flow more easily and allow the engine to reach its optimal operating temperature more quickly.

Engine Design

Honda’s engine design and tolerances are likely optimized for 10W-30 oil, and using the recommended viscosity can help maintain engine longevity and performance.

Specifications for Honda GN4

Honda GN4 is specifically formulated to meet the unique requirements of Honda engines, and its specifications are a testament to its quality. Here, we’ll delve into the key specifications of the Honda GN4:

  1. Viscosity: Honda GN4 typically comes in various viscosity grades, such as 10W-30 and 10W-40. These grades indicate the oil’s flow characteristics at different temperatures. The “10W” represents its cold-start viscosity, ensuring proper lubrication during startup, while the second number, such as “30” or “40,” represents its viscosity at operating temperatures, offering consistent lubrication under various conditions.
  2. API Standards: Honda GN4 meets or exceeds the standards set by the American Petroleum Institute (API). This ensures that the oil provides proper engine protection, minimizes wear, and maintains engine cleanliness. Look for API certifications like “API SN” on the product label.
  3. JASO Standards: Honda GN4 also meets the standards set by the Japanese Automotive Standards Organization (JASO). Specifically, you may find the JASO MA or MA2 certification, indicating compatibility with wet clutches, which are common in motorcycles.
  4. Compatibility: Honda GN4 is engineered to be compatible with Honda motorcycles’ specific engine technology, including wet clutches, to prevent clutch slippage and ensure smooth operation.

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Factors to Consider When Choosing Honda Gn4 Oil Equivalent

Factors to Consider When Choosing Honda Gn4 Oil Equivalent

Viscosity Grade

Ensure the oil’s viscosity grade matches Honda’s recommended specifications. GN4 oil typically comes in various viscosities like 10W-30 or 10W-40. Check your owner’s manual for the manufacturer’s recommendations.

Oil Type

Honda GN4 oil is typically a conventional, mineral-based oil. However, you may consider synthetic alternatives if you desire enhanced performance and longevity. Ensure it meets or exceeds the recommended specifications for better experience.

API Service Classification

Look for oils with the API (American Petroleum Institute) classification recommended by Honda. For example, many Hondas require oil with API SN certification.

Mileage and Usage:

Consider your vehicle’s mileage and usage patterns. High-mileage engines may benefit from oils designed for older thread engines or those with specific additives for extended life.

Climate and Temperature

Your choice should be influenced by the climate in your area. If you experience extreme temperatures, select an oil with a viscosity grade suitable for those conditions (e.g., 5W-30 for cold climates, 10W-40 for hotter climates).

Fuel Efficiency

Some modern oils are formulated to improve fuel efficiency. If this is a priority for you, look for oils with fuel-saving properties.


While quality is crucial, consider your budget when choosing oil. There are various options available at different price points. Balance quality and cost effectively.


Ensure the oil you select is compatible with your engine, including any aftermarket modifications or upgrades.

Oil Change Interval

Different oils may have different recommended oil change intervals. Consider how often you’re willing to change the oil and select an oil that aligns with your maintenance schedule.

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DIY Oil Change Tips

YouTube video

Gather Your Supplies

This section provides a comprehensive list of the supplies you’ll need for a successful DIY oil change.

It includes specific tools, safety equipment, and other essentials to ensure you’re well-prepared for the task.

Warm-Up Your Engine

Learn about the benefits of warming up your engine before draining the oil. We’ll explain how this simple step can enhance oil flow during the draining process and contribute to a more efficient oil change.

Safety First

Safety is a top priority during any DIY oil change. In this part, we emphasize the importance of wearing gloves and eye protection when handling oil. We’ll provide practical safety measures to ensure your oil change is accident-free.

Proper Disposal

Responsible disposal of used oil and filters is crucial for environmental protection. This section offers comprehensive information on how to dispose of used oil and filters properly.

We’ll also introduce eco-friendly disposal options to minimize your environmental footprint.

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What is GN4 10W30?

GN4 10W30 is a type of motor oil. The “GN4” typically refers to the brand or specific product line of motor oil, and “10W30” is the viscosity grade.

Is Honda GN4 oil good for wet clutches?

Yes, Honda GN4 oil is suitable for wet clutches. It is specifically designed for use in motorcycles, including those with wet clutches. Wet clutches are common in many motorcycle engines, and they operate in an oil bath. Honda GN4 oil is formulated to provide the necessary lubrication and protection for wet clutches.

What is Honda full synthetic oil?

Honda full synthetic oil is specially designed for Honda vehicles, delivering superior engine performance in high temperatures and challenging driving conditions. It provides optimal protection and lubrication for your engine.

Frequently Asked Questions For Honda Gn4 Oil Equivalent

1. What Is Honda Gn4 Oil?

Honda gn4 oil is a high-quality, synthetic-blend motor oil specifically designed for use in Honda motorcycles and power equipment.

It provides excellent lubrication and protection for the engine, clutch, and transmission components, ensuring optimal performance and longevity.

2. What is Honda GN4 oil used for?

Honda GN4 oil is specifically designed for lubricating and protecting the engine components in Honda motorcycles and ATVs. It ensures proper engine function and longevity by reducing friction and wear.

3. What type of oil is Honda GN4?

Honda GN4 oil is a high-quality, mineral-based engine oil. It’s formulated to meet Honda’s strict specifications, providing excellent lubrication and protection for Honda engines.

4. Which engine oil is best for performance?

The choice of engine oil for performance depends on your engine’s requirements and intended usage.

Synthetic oils, such as Mobil 1 Racing 4T, are often preferred for high-performance applications. They offer superior protection, especially in demanding conditions.

5. Is Honda Pro GN4 oil synthetic?

No, Honda GN4 oil is not synthetic. It is a mineral-based engine oil specifically tailored for Honda engines.

While synthetic oils like Mobil 1 Racing 4T offer high performance, GN4 is a reliable conventional oil choice for Honda motorcycles and ATVs.

6. Can I mix different brands or types of engine oil in my Honda?

It’s generally not recommended to mix different brands or types of engine oil in your Honda.

Mixing oils can lead to unpredictable viscosity and additive interactions, potentially compromising engine performance and protection.

7. Can I Use Any Oil In My Honda Motorcycle?

It is recommended to use a motor oil that meets the specifications of jaso ma or ma2 for Honda motorcycles.

These oils are specifically formulated to provide the necessary lubrication and protect the engine, clutch, and transmission components.

8. Can I use 10W-40 oil in a 4-stroke engine?

Yes, you can use 10W-40 oil in a 4-stroke engine. 10W-40 is a common viscosity grade for engine oil, and it is suitable for many 4-stroke gasoline and diesel engines.

9. What is 10W-40 oil typically used for in motorcycles?

10W-40 oil is a common viscosity grade used in motorcycles with 4-stroke engines. It provides a balance between cold-start protection (the “10W” part) and high-temperature stability (the “40” part)

10. Is 10W-40 oil good for motorcycles?

In many cases, 10W-40 is a suitable viscosity grade for 4-stroke motorcycle engines, offering a balance between cold-start protection and high-temperature stability.

What is special about Honda GN4 oil?

Honda GN4 oil is designed and formulated by Honda specifically for use in their motorcycles and it’s tailored to meet the unique requirements and specifications of Honda engines.

What is GN4 10W-30?

GN4 10W-30 is a specific viscosity grade of Honda GN4 motorcycle engine oil. The “10W” represents the oil’s flow characteristics at low temperatures, while the “30” indicates its viscosity at operating temperatures.

Is Honda GN4 oil for wet clutch?

Yes, Honda GN4 oil is formulated for use with wet clutches in Honda motorcycles and is designed to provide proper lubrication without causing clutch slippage.

Is Honda GN4 mineral oil?

No, Honda GN4 oil is not mineral oil. It is typically a semi-synthetic or fully synthetic oil, depending on the specific product line, designed to offer enhanced performance and protection for motorcycle engines.

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In conclusion, finding the right Honda GN4 oil equivalent is essential for maintaining the optimal performance and longevity of your Honda vehicle. By considering factors such as viscosity grade, API and meet the jaso t903 standard classifications, brand quality, climate, and your specific vehicle’s needs, you can make an informed choice that ensures proper engine lubrication and protection. Always refer to your owner’s manual for Honda’s recommended specifications, as adhering to these guidelines remains paramount in selecting the ideal oil equivalent for your Honda vehicle.

By considering factors such as viscosity grade, API and JASO classifications, brand quality, climate, and your specific vehicle’s needs, you can make an informed choice that ensures proper engine lubrication. I hope you get your answer for What Oil is Equivalent to Honda GN4.

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