fits model: Efi, Dyna. make: Harley. year: 2005.

( Brand: Harley-davidson ), ( Manufacturer Part Number: 17572-99;17571-99 ), ( Type: Cylinder Head Cover ), ( Country Of Origin: United States )
The Harley-Davidson 17572-99 and 17571-99 cylinder rocker boxes are essential components of the FXDLI Dyna Rider EFI engine, which was first introduced in 2005. These rocker boxes are designed to house the cylinder head's rockers, valves, and associated components, creating a smooth intake and exhaust stroke for the engine.
Each rocker box is manufactured from high-strength aluminum alloy, ensuring lightweight yet robust construction. The surface of the boxes is finished with a durable, black powder coat that not only enhances their appearance but also provides effective corrosion resistance.
The cylinder rocker boxes in the Harley-Davidson FXDLI engine feature a unique design that utilizes a hydraulic lifter system. This design eliminates the need for traditional pushrods and rocker arms, simplifying the valvetrain assembly and reducing overall engine complexity. The hydraulic lifters self-adjust to engine temperature and load, ensuring consistent valve clearances and optimized engine performance.
The rocker boxes are secured to the engine with multiple bolts, providing a strong and reliable connection. Access to the rocker boxes for maintenance or servicing is facilitated by removable side covers, which can be easily unbolted to expose the internal components.
The Harley-Davidson 17572-99 and 17571-99 cylinder rocker boxes are essential components of the FXDLI Dyna Rider EFI engine, contributing to its powerful and reliable performance. Their robust construction, innovative hydraulic lifter design, and convenient access make them a valuable investment for any Harley-Davidson enthusiast or mechanic.
The Harley-Davidson FXDLI Dyna Rider EFI engine, model numbers 17571-99 and 17572-99 from the 2005 lineup, is a popular choice for Harley-Davidson enthusiasts. This engine comes with Electronic Fuel Injection (EFI), making it more fuel-efficient and easier to start compared to its carbureted counterparts. Let's examine the pros and cons of buying this engine.
Pros:1. Improved Fuel Efficiency: EFI systems deliver the precise amount of fuel needed for efficient combustion, resulting in better fuel economy.
2. Easy Starting: EFI eliminates the need for choke mechanisms and carburetor synchronization, making starting easier, especially in cold weather conditions.
3. Enhanced Power Delivery: EFI systems provide smoother power delivery throughout the entire RPM range.
4. Better Emissions: EFI systems generate cleaner emissions, making them more environmentally friendly.
Cons:1. Higher Cost: EFI engines are more expensive than their carbureted counterparts due to the complexity of the system.
2. Increased Complexity: EFI engines have more components, which can increase the likelihood of issues and require more maintenance.
3. Sensitivity to Fuel Quality: EFI systems require clean fuel to operate efficiently, which may necessitate the use of fuel additives or filters.
Conclusion:The Harley-Davidson FXDLI Dyna Rider EFI engine offers several advantages, including improved fuel efficiency, easy starting, enhanced power delivery, and better emissions. However, it also comes with some disadvantages, such as a higher cost, increased complexity, and sensitivity to fuel quality. Ultimately, the decision to buy this engine depends on your priorities, budget, and maintenance capabilities.
Recommendation:If you prioritize ease of use, fuel efficiency, and power delivery, and you have the budget and maintenance capabilities to handle a more complex engine, the Harley-Davidson FXDLI Dyna Rider EFI engine is a great choice. However, if you're on a tight budget or prefer a simpler engine with fewer maintenance requirements, you might want to consider a carbureted model instead.
Removed From: 2005 Harley-Davidson Dyna with 48609 miles. Please review all pictures to assess the condition of item.