fits make: Harley.

( Brand: Harley-davidson-champion ), ( Part Type: Spark Plug ), ( Placement On Vehicle: Rear ), ( Country/region Of Manufacture: United States )
The 5-knucklehead Harley-Davidson air-cooled spark plug is a essential component for maintaining the performance and longevity of your vintage Harley-Davidson Champion flathead engine. This spark plug is specifically designed for Harley-Davidson's classic 5-knucklehead engines, such as those found in the JD and VL models.
This spark plug features a center electrode made of nickel-chromium alloy, which provides excellent heat resistance and durability. The electrode is also tapered, which helps to ensure a proper gap and minimize misfires. The insulator tip is made of porcelain, which is highly resistant to high temperatures and corrosion.
The 5-knucklehead Harley-Davidson spark plug is a NGK BKR5E-11 replacement for the original Wico W103 spark plug. It has a heat range of 6, which is suitable for regular use in most conditions. This spark plug is also non-gapped, which means you will need to set the gap to the recommended specification (0.024 inches) before installation.
This spark plug is easy to install and requires no special tools. It is also designed to fit securely in the engine, which helps to reduce the risk of vibrations and misfires. The 5-knucklehead Harley-Davidson spark plug is a high-quality replacement that is sure to provide reliable performance and long-lasting service for your classic Harley-Davidson engine.
Pros of buying a 5-knucklehead Harley-Davidson Champion (Air-cooled Spark Plug Flathead JD):1. Historical Significance: The 5-knucklehead is an iconic model in Harley-Davidson's history, often considered the first "modern" Harley. Owning one means becoming part of the Harley-Davidson legacy.
2. Unique Sound: The flathead engine's unique sound is instantly recognizable and beloved by many. It's a sound that turns heads and brings a smile to the faces of fellow enthusiasts.
3. Simplicity: The 5-knucklehead is a simple machine, which can make it easier to maintain and repair compared to more modern models.
4. Affordability: Older Harleys, like the 5-knucklehead, can often be more affordable than newer models, both in terms of the initial purchase price and ongoing maintenance costs.
Cons of buying a 5-knucklehead Harley-Davidson Champion (Air-cooled Spark Plug Flathead JD):1. Reliability: While simple, the 5-knucklehead can be less reliable than modern Harleys. Regular maintenance is essential to keep it running smoothly.
2. Performance: Compared to modern Harleys, the 5-knucklehead is not as powerful or fast. It's more about the experience and the sound than high-speed performance.
3. Comfort: Older Harleys, including the 5-knucklehead, often lack the comfort features found in modern models. Long rides can be less enjoyable due to the harder seats, lack of wind protection, and other comfort considerations.
4. Parts Availability: While there are still many parts available for the 5-knucklehead, they may not be as easy to find or as affordable as parts for newer models.
Ending Conclusion:The 5-knucklehead Harley-Davidson Champion is a unique and historically significant motorcycle that offers a distinctive sound and a simpler, more affordable riding experience. However, it also comes with reliability concerns, less performance, and comfort challenges. If you're looking for an adventure in motorcycle history, the 5-knucklehead could be the right bike for you. But if you prioritize modern comforts, performance, and reliability, you might want to consider a newer Harley-Davidson model.
Harley Davidson Champion 5 air cooled spark plug. Does not have packaging or gasket. Looks new but not knowing the history of it I will represent as used. Close inspection under magnification and I see no damage or cracks but the plug has not been tested.