If you own a Harley-Davidson Softail motorcycle, you know that maintaining it properly is essential to ensure its longevity and performance. One of the critical components of your Softail is the primary drive system, which requires regular maintenance, including oil changes. The primary oil in your Softail serves several functions, including lubricating the clutch, cooling the primary chain, and washing away any wear particles.
Understanding the importance of primary oil and choosing the right type for your Softail is crucial to keep your motorcycle running smoothly. The primary oil change process is relatively simple, but it requires some knowledge and the right tools. In this article, we will guide you through the primary oil change process, including choosing the right oil, servicing the clutch and primary chain, troubleshooting common issues, and routine maintenance and best practices.
Key Takeaways
- Choosing the right primary oil is crucial for the longevity and performance of your Softail motorcycle.
- Regular primary oil changes and proper maintenance are necessary to keep your Softail running smoothly.
- Servicing the clutch and primary chain, troubleshooting common issues, and following best practices are essential for the proper maintenance of your Softail motorcycle.
Understanding Primary Oil in Softail Motorcycles
When it comes to maintaining your Softail motorcycle, understanding the role of primary oil is essential. The primary oil is responsible for lubricating the clutch and primary chaincase. It is important to keep the primary oil at the right level and to change it regularly. In this section, we will discuss the role of primary oil in Softail models and the differences between primary oil and engine oil.
Role of Primary Oil in Softail Models
The primary oil in Softail models plays a crucial role in keeping the clutch and primary chaincase lubricated. Without proper lubrication, the clutch and chaincase can wear out quickly, leading to expensive repairs. The primary oil also helps to dissipate heat from the clutch, which can get very hot during use.
To check the primary oil level in Softail models, make sure the bike is upright, and add oil until it touches the outside diameter of the clutch outer shell. Softail models typically require 26 ounces of primary oil, but it is always best to check the owner’s manual for the specific requirements for your bike.
Differences Between Primary Oil and Engine Oil
While primary oil and engine oil may seem similar, they serve different purposes in Softail motorcycles. Engine oil is responsible for lubricating the engine’s moving parts, while primary oil is responsible for lubricating the clutch and primary chaincase.
Primary oil is typically thinner than engine oil and is designed to flow more freely through the clutch and chaincase. It also contains additives that help to reduce clutch slippage and wear. Synthetic primary oil is also available, which provides better protection and longer-lasting performance.
In conclusion, understanding primary oil in Softail motorcycles is essential for maintaining your bike’s longevity and performance. Make sure to check the primary oil level regularly and change it as recommended by the manufacturer. By doing so, you can ensure that your Softail motorcycle runs smoothly and reliably for years to come.
Choosing the Right Oil for Your Softail
When it comes to choosing the right primary oil for your Softail, there are a few factors to consider. In this section, we’ll cover the differences between synthetic and conventional oil, recommended brands and types, and viscosity and quality standards.
Synthetic vs. Conventional Oil
One of the first decisions you’ll need to make when choosing a primary oil for your Softail is whether to go with a synthetic or conventional oil. Synthetic oils are typically more expensive, but they offer better performance and protection in extreme temperatures. Conventional oils, on the other hand, are less expensive and work well in moderate temperatures.
Recommended Brands and Types
There are several brands and types of primary oil that are recommended for Harley Davidson Softail motorcycles. One popular brand is AMSOIL Synthetic V-Twin Primary Fluid. This oil is specifically formulated for Harley Davidson motorcycles and provides excellent wear protection and clutch performance. Other top brands include Harley-Davidson Genuine Primary Oil and Mobil 1 Racing 4T Primary Oil.
Viscosity and Quality Standards
When selecting a primary oil for your Softail, it’s important to consider the viscosity and quality standards. The recommended viscosity for Softail primary oil is typically 20W-50. Additionally, you’ll want to make sure that the oil meets the quality standards set by the American Petroleum Institute (API). Look for oils that meet the API GL-1 or GL-4 standards for maximum protection and performance.
In summary, choosing the right primary oil for your Softail is an important decision that can impact the performance and longevity of your motorcycle. Consider factors such as synthetic vs. conventional oil, recommended brands and types, and viscosity and quality standards to make an informed decision.
The Oil Change Process
Tools and Materials Needed
Before you start the oil change process, make sure you have the following tools and materials:
- Primary fluid (check your owner’s manual for the recommended type and amount)
- Drain pan
- Funnel
- Torque wrench
- 5/8-inch socket
- Socket wrench
- Primary cover gasket
- O-ring
- Primary funnel
Step-by-Step Oil Change
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Warm up your Softail’s engine for a few minutes. Warm oil flows more easily and will help you remove more of the old oil.
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Place the drain pan under the primary-fluid drain plug. Use the 5/8-inch socket and socket wrench to loosen the drain plug. Remove it the rest of the way by hand so it doesn’t fall into the drain pan.
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Let the primary oil flow out into the drain pan. Once the oil has stopped flowing out, replace the drain plug and tighten it with the torque wrench to the recommended torque specification.
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Remove the primary cover by loosening the bolts around the perimeter of the cover. Make sure to keep the bolts in a safe place.
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Remove the old primary cover gasket and replace it with a new one. Make sure to clean the surface of the primary cover and the engine case before installing the new gasket.
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Use the funnel to pour the new primary fluid into the primary case. Check your owner’s manual for the recommended amount of fluid.
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Reinstall the primary cover and tighten the bolts to the recommended torque specification.
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Check the primary fluid level with the dipstick. Add more fluid if necessary.
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Start your Softail’s engine and let it idle for a few minutes. Check for leaks around the primary cover and drain plug.
Congratulations, you have successfully changed the primary oil on your Softail!
Servicing the Clutch and Primary Chain
If you want your Softail to function optimally, you need to service your clutch and primary chain regularly. In this section, we will discuss how to adjust the clutch for optimal performance and maintain the primary chain tension.
Adjusting the Clutch for Optimal Performance
The clutch is an essential component of your Softail’s transmission system. It allows you to disengage the engine from the transmission when you shift gears. If your clutch is not adjusted correctly, you may experience slipping or difficulty shifting gears.
To adjust your clutch, you will need a service manual, a torque bit, and a T27 torque bit. Follow these steps:
- Locate the clutch cable adjuster on the left side of your Softail’s transmission.
- Loosen the locknut using the T27 torque bit.
- Turn the adjuster clockwise to increase the clutch cable tension or counterclockwise to decrease it.
- Tighten the locknut to the specified torque using the torque bit.
- Test your clutch by shifting gears and ensuring that it engages and disengages smoothly.
Maintaining the Primary Chain Tension
The primary chain is responsible for transmitting power from the engine to the transmission. If it is too loose or too tight, it can cause excessive wear and tear on your Softail’s components.
To maintain the primary chain tension, you will need to check it regularly and adjust it as needed. Follow these steps:
- Consult your owner’s manual to determine the correct primary chain tension for your Softail.
- Locate the primary chain tensioner on the bottom of your Softail’s primary chaincase.
- Loosen the locknut using the T27 torque bit.
- Turn the adjuster bolt clockwise to increase the tension or counterclockwise to decrease it.
- Tighten the locknut to the specified torque using the torque bit.
- Test your primary chain tension by pushing down on the chain midway between the engine sprocket and the clutch sprocket. It should deflect no more than 3/8 inch.
Regularly servicing your clutch and primary chain is crucial to ensuring your Softail’s optimal performance. By following these steps, you can keep your Softail running smoothly and avoid costly repairs.
Troubleshooting Common Issues
If you notice any issues with your Softail’s primary oil, there are a few common problems that you may be experiencing. Here are some of the most common issues and how to troubleshoot them.
Identifying and Fixing Leaks
One of the most common issues with primary oil is leaks. If you notice that your Softail is leaking oil, you should first try to identify where the leak is coming from. Check the primary chaincase cover, the derby cover, the inspection cover, and the drain plug for any signs of leakage. Once you have identified the source of the leak, you can take steps to fix it.
To fix a leak, you may need to replace the gasket or seal that is causing the issue. Be sure to use the correct type of gasket or seal for your Softail model. You can refer to your owner’s manual or consult with a professional mechanic for guidance.
Dealing with Overfill and Underfill Problems
Another common issue with primary oil is overfill or underfill. If you overfill your Softail’s primary oil, it can cause excess pressure and lead to leaks or other issues. On the other hand, if you underfill the oil, it can cause damage to the clutch and other components.
To check the oil level in your Softail’s primary, you should refer to your owner’s manual for the correct procedure. Typically, you will need to add oil until it reaches the proper level on the dipstick or until it just touches the clutch outer shell. Be sure to use the correct type of oil for your Softail model.
Shifting and Noise Concerns
If you are experiencing issues with shifting or noise in your Softail’s primary, it may be due to a problem with the clutch or other components. You should first check the oil level and condition to ensure that it is not causing the issue.
If the oil level and condition are fine, you may need to inspect the clutch and other components for damage or wear. You can refer to your owner’s manual or consult with a professional mechanic for guidance on how to inspect and repair these components.
By identifying and troubleshooting these common issues with your Softail’s primary oil, you can help ensure that your bike runs smoothly and safely. Be sure to follow the proper maintenance procedures and consult with a professional mechanic if you are unsure about any aspect of your Softail’s maintenance.
Routine Maintenance and Best Practices
As a Softail owner, it is important to perform routine maintenance on your motorcycle to keep it running smoothly. One of the most critical aspects of your Softail’s maintenance is the primary oil. In this section, we will go over some best practices for maintaining your Softail’s primary oil.
Regular Inspection and Replacement Intervals
Harley Davidson recommends that you inspect and change your primary oil every 5,000 miles. It is important to follow the recommended service intervals to ensure that your Softail runs smoothly and efficiently. Regular inspections will help you identify any potential problems before they become major issues.
To inspect your Softail’s primary oil, follow these steps:
- Park your Softail on a level surface and put it on the jiffy stand.
- Remove the derby cover from the primary cover.
- Use a dipstick to check the oil level. The oil level should be between the add and full marks on the dipstick.
- If the oil level is low, add the recommended amount of oil. For Softails, the recommended amount is 38-44 ounces of Spectro Heavy Duty Platinum Primary Chaincase Lubricant.
- Replace the derby cover and tighten the lug nuts to the recommended torque.
Proper Disposal of Used Oil
When changing your Softail’s primary oil, it is important to dispose of the used oil properly. Used oil can be harmful to the environment, so it should never be poured down the drain or thrown in the trash.
To dispose of your Softail’s used oil, follow these steps:
- Drain the used oil into a clean, plastic container.
- Take the container to a recycling center or an auto parts store that accepts used oil for recycling.
- Do not mix the used oil with other fluids, such as antifreeze or brake fluid.
By following these best practices for maintaining your Softail’s primary oil, you can ensure that your motorcycle runs smoothly and efficiently for years to come.
Advanced Topics
Understanding Gear and Bearing Lubrication
When it comes to the primary oil in your Softail, one of the most important things to understand is how it lubricates your bike’s gears and bearings. The oil is responsible for reducing friction and wear between the gears and bearings, which helps to extend their lifespan and keep your bike running smoothly.
It is important to note that different types of oil have different properties, and some are better suited for certain applications than others. For example, synthetic oil is known for its ability to withstand high temperatures and provide superior lubrication, which makes it a popular choice for high-performance applications. On the other hand, conventional oil is more affordable and may be sufficient for everyday use.
When selecting an oil for your Softail’s primary, it is important to choose one that is specifically designed for use in motorcycles. Look for an oil that is labeled as “primary oil” or “transmission oil” to ensure that it is appropriate for your bike’s needs.
The Role of Oil in Heat Management
Another important factor to consider when selecting a primary oil for your Softail is its role in heat management. The oil helps to dissipate heat generated by the gears and bearings, which can help to prevent damage and extend the life of your bike’s components.
One important consideration when it comes to heat management is the viscosity of the oil. A thicker oil, such as a 75-90 weight, may be better suited for high-temperature applications, as it can provide better heat dissipation and reduce wear on the gears and bearings.
It is also important to consider the type of transmission your Softail has. If you have a 6-speed transmission, you may need to use a different type of oil than if you have a Dyna or other type of transmission. Check your owner’s manual or consult with a trusted mechanic to determine the best type of oil for your bike’s needs.
Frequently Asked Questions
What type of oil should I use in my Harley Softail’s primary?
Harley Davidson recommends using Formula+ Primary Chaincase Lubricant in Softail models. This oil is specifically designed for use in Harley Davidson primary chaincases. It provides superior wear protection, reduces friction, and minimizes clutch slippage.
How do I determine the correct primary oil capacity for my Softail model?
The primary oil capacity of your Softail model can be found in your owner’s manual. It is important to use the correct amount of oil to ensure proper lubrication and prevent damage to your motorcycle.
Can I use the same oil in my Softail’s engine, transmission, and primary?
No, you should not use the same oil in your Softail’s engine, transmission, and primary. Each component requires a specific type of oil that is formulated to meet its unique lubrication needs.
What are the benefits of using a synthetic oil in my Softail’s primary?
Synthetic oils offer superior performance and protection compared to conventional oils. They provide better wear protection, reduce friction, and offer improved thermal stability. Using a synthetic oil in your Softail’s primary can help extend the life of your motorcycle and improve its overall performance.
How often should I change the primary oil in my Harley Softail?
Harley Davidson recommends changing the primary oil in your Softail every 5,000 miles or every 12 months, whichever comes first. However, if you ride in extreme conditions or frequently engage in stop-and-go traffic, you may need to change the oil more frequently.
Are there any suitable substitutes for Harley Davidson brand primary oil?
While Harley Davidson recommends using Formula+ Primary Chaincase Lubricant, there are other high-quality oils on the market that are suitable for use in your Softail’s primary. Just be sure to choose an oil that meets the specifications outlined in your owner’s manual.
