What Is Oil Sumping Harley Davidson

Wondering what's causing your Harley's power loss? Dive into the mysterious world of oil sumping and its impact on your ride.

preventing oil sumping issues

When it comes to Harley-Davidson engines, oil sumping can be likened to a stealthy intruder, silently affecting your ride without warning.

You're cruising down the road, and suddenly, the engine's power seems to wane. What could be causing this mysterious oil sumping phenomenon in your Harley?

Let's unravel the complexities of this issue and explore how it impacts your motorcycle's performance and longevity.

Key Takeaways

  • Oil sumping in Harley Davidsons results from factors like high temperatures and faulty oil pumps.
  • Symptoms include reduced power, overheating, and saturated air filters on the bike's right side.
  • Preventive maintenance like maintaining proper oil levels and upgrading breather systems can help avoid oil sumping.
  • Upgrading to the 2020 oil pump or aftermarket solutions can enhance oil scavenging and prevent potential engine damage.

Causes of Oil Sumping in Harleys

Oil sumping in Harley-Davidson motorcycles occurs when engine oil accumulates in the crankcase instead of properly returning to the oil tank. This issue can be attributed to several factors such as high engine temperatures, riding at high speeds, aftermarket modifications, overfilled oil levels, and a faulty oil pump. The crankcase breather system plays a crucial role in regulating pressure within the engine, and when it malfunctions, it can contribute to oil sumping by disrupting the oil return process.

Harley-Davidson, recognizing the importance of addressing this issue, introduced the new 2020 oil pump as a solution specifically designed for affected Milwaukee-Eight models. By upgrading to this improved oil pump, riders can mitigate the risk of oil sumping and ensure proper oil circulation within the engine. Implementing preventive measures is key to avoiding potential engine damage and maintaining optimal performance. Regularly monitoring oil levels, adhering to recommended service intervals, and avoiding overfilling the oil tank are essential prevention strategies to combat oil sumping in Harley-Davidson motorcycles.

Symptoms of Oil Sumping Issue

Symptoms of oil sumping issues in Harley-Davidson motorcycles often manifest through visible signs of excessive oil splattering on the bike's right side. When encountering oil sumping problems, here are some key symptoms to watch out for:

  • Saturated Air Filters: Oil sumping can lead to air filter saturation, affecting the bike's air intake.
  • Reduced Engine Power: A noticeable decrease in engine power can indicate oil sumping compromising performance.
  • Overheating: Oil sumping may cause overheating issues due to the added stress on the engine.
  • Lack of Oil Warning Light: Despite oil sumping problems impacting the engine, the absence of an oil warning light can be misleading.

These symptoms are crucial indicators of oil sumping problems in Harley-Davidson motorcycles. Monitoring these signs can help in early detection and preventive maintenance to ensure optimal performance and longevity of your bike.

Impact of Oil Sumping on Performance

When facing oil sumping issues in your Harley-Davidson motorcycle, understanding the impact on performance is crucial for maintaining optimal engine function and longevity. Oil sumping can lead to excessive oil blowback, contaminating the air cleaner and potentially causing reduced engine power, lifter clatter, and even engine failure. This issue is particularly prevalent during long rides or high-speed highway trips, manifesting in visible oil splatters along the bike's right side and a saturated air filter. To mitigate these performance setbacks, upgrading to the new 2020 Harley oil pump is recommended. Below is a table summarizing the key impacts of oil sumping on your Harley-Davidson's performance:

Impact of Oil Sumping on Performance Description
Excessive Oil Blowback Can lead to air cleaner contamination.
Reduced Engine Power Results in decreased performance and efficiency.
Lifter Clatter Audible noise indicating potential engine issues.

Understanding these impacts can help you make informed decisions to enhance your Harley-Davidson's performance and longevity.

How to Prevent Oil Sumping

How can proper maintenance practices help minimize the risk of oil sumping in your Harley-Davidson motorcycle? Here are some essential steps to prevent oil sumping:

  • Maintain Proper Oil Levels: Regularly check and maintain the correct oil levels to avoid overfilling, which can lead to oil sumping issues.
  • Upright Position: When setting the oil level, ensure the motorcycle is upright to prevent inaccuracies that may contribute to oil sumping.
  • Inspect Oil Pump: Regularly inspect oil pump components for any signs of wear or malfunction that could result in oil sumping.
  • Upgrade Breather Systems: Consider upgrading breather systems to enhance oil scavenging, reducing the likelihood of oil sumping in Harley-Davidson engines.

Resolving Oil Sumping in Harley Davidson

To effectively address oil sumping in Harley Davidson, upgrading to the new 2020 oil pump is the recommended solution for improved oil control and prevention of potential engine damage. By installing the new oil pump, you can ensure that oil is properly scavenged and returned to the oil tank, reducing the risk of oil accumulation in the crankcase. Aftermarket companies also offer replacement oil pumps that can enhance performance and aid in better oil scavenging, providing an alternative solution for addressing oil sumping issues in your Harley Davidson motorcycle.

Oil Sumping Resolution Options:

Resolution Description Benefits
Upgrade to 2020 Pump Install the new 2020 oil pump Improved oil control, prevents engine damage
Aftermarket Solutions Utilize replacement pumps from aftermarket Enhanced performance, better oil scavenging

Understanding the importance of resolving oil sumping and taking proactive measures can help you maintain the optimal performance of your Harley Davidson motorcycle and prevent any potential engine damage.

Conclusion

In conclusion, oil sumping in Harley-Davidson motorcycles can severely impact performance and lead to engine damage. By installing the redesigned 2020 Harley oil pump, riders can effectively prevent and resolve this issue.

While some may hesitate due to the cost of the upgrade, imagine the peace of mind knowing your engine is protected and your ride is running smoothly without the threat of oil sumping.

Leave a Comment