fits model: Cr, Wr, 125. make: Husqvarna. year: 1984–1987.

( Brand: Wossner ), ( Manufacturer Part Number: 8173D150 ), ( Part Type: Piston )
The Wossner 8173D150 piston is a high-performance replacement piston specifically designed for Husqvarna CR/WR 125 motorcycles manufactured between 1984 and 1987. This piston boasts several advanced features that enhance engine performance and durability.
The piston diameter measures 56.44mm, making it a direct fit for the specified Husqvarna models. It is engineered using Wossner's state-of-the-art production techniques, which ensure precision in every detail. The piston is crafted from a high-strength aluminum alloy, offering superior heat resistance and durability.
The Wossner 8173D150 piston features a unique ring package consisting of a compression ring, an oil control ring, and a skirt oil scraper ring. These rings are designed to provide optimal sealing and oil control for enhanced engine efficiency and longevity. The compression ring is made from a high-tensile alloy, ensuring excellent combustion efficiency and power output.
The piston's top ring groove has a chamfered design, which facilitates easier ring installation and removal. The piston also includes a piston pin bore with a diameter of 21mm and a length of 78mm, ensuring a secure fit with the connecting rod.
This Wossner piston is also designed with a ribbed piston skirt, which aids in cooling and reduces the risk of piston slap. The piston's skirt also features a honed finish, ensuring a smooth fit in the cylinder bore for optimal engine performance.
In summary, the Wossner 8173D150 piston is a high-quality replacement piston designed specifically for Husqvarna CR/WR 125 motorcycles produced between 1984 and 1987. It offers enhanced engine performance and durability through its advanced features such as high-strength aluminum alloy construction, optimized ring package, and ribbed piston skirt.
The Wossner 8173D150 piston is an aftermarket upgrade option for the 125cc Husqvarna CR and WR models produced between 1984 and 1987. This piston, with a bore size of 56.44mm, is known for its high-quality materials and advanced design. In this analysis, we will discuss the potential advantages and disadvantages of using this piston in your Husqvarna motorcycle.
Pros:1. Enhanced Performance: The Wossner 8173D150 piston is designed to provide improved combustion efficiency and power output compared to the OEM piston. This results in a more responsive engine and increased riding enjoyment.
2. Durability: Wossner pistons are renowned for their excellent durability. The 8173D150 piston is made from forged material, which is more resistant to fractures and deformations than cast pistons. This translates to longer engine life and fewer rebuilds or replacements.
3. Temperature Resistance: The Wossner piston features a high-temperature-resistant coating that protects the piston from thermal shock and wear. This coating enhances the piston's ability to withstand the rigors of high-performance riding and racing.
4. Custom Fit: The Wossner 8173D150 piston is specifically designed for the Husqvarna CR/WR 125 models (1984-1987), ensuring a perfect fit and eliminating the need for modifications or machining.
Cons:1. Cost: The Wossner 8173D150 piston is more expensive than the stock OEM piston. This may be a significant consideration for budget-conscious riders or those who prefer to keep their costs low.
2. Installation: Installing the Wossner piston may require additional labor costs, as it may necessitate the removal of the engine from the motorcycle for proper installation. This can be time-consuming and costly.
3. Potential Compatibility Issues: Although the Wossner 8173D150 piston is designed specifically for the Husqvarna CR/WR 125 models, there is a possibility of compatibility issues with specific engine configurations or modifications. It is crucial to ensure that the piston is compatible with your motorcycle before making a purchase.
4. Break-In Period: After installing the Wossner piston, it is recommended to follow a strict break-in procedure to ensure proper seating and optimal engine performance. This may involve adjusting the carburetor, using a specific oil, and limiting riding speed and revs during the initial break-in period.
Conclusion:The Wossner 8173D150 piston offers several advantages over the stock OEM piston, including enhanced performance, durability, temperature resistance, and a custom fit. However, it also comes with some disadvantages, such as a higher cost, potential installation challenges, and the need for a break-in period. Ultimately, the decision to purchase the Wossner 8173D150 piston depends on your budget, riding style, and priorities. If you value increased performance, durability, and the peace of mind that comes with a high-quality aftermarket part, the Wossner piston may be an excellent investment for your Husqvarna CR/WR 125 (1984-1987). On the other hand, if you are budget-conscious or prefer a more straightforward, low-maintenance setup, the stock OEM piston may be the better choice for you.
Recommendation:If you are an enthusiast or racer looking to maximize the performance of your Husqvarna CR/WR 125 (1984-1987) and are willing to invest in a high-quality aftermarket piston, the Wossner 8173D150 is an excellent choice. Its superior durability, enhanced performance, and temperature resistance make it a worthwhile upgrade. However, be sure to consider the potential costs and installation challenges before making a purchase. If you prefer a more budget-friendly option or a simpler setup, the stock OEM piston may be the better choice for your needs. Ultimately, the decision is yours, and careful consideration of your priorities and budget will help guide you towards the best option for your Husqvarna motorcycle.
THIS PISTON FITS HUSQVARNA CR/WR 125s 1984 1987 THE SIZE IS 56.44MM.