fits model: Yz125, Std. make: Yamaha. year: 1986.

( Manufacturer Part Number: 8118DA ), ( Type: Piston Kit ), ( Year: 1988, 1987, 1986 )
Introducing the Wossner 8118DA piston kit (part number 0910-5540) - an exceptional upgrade solution for standard 56.00mm bore engines that demands both durability and performance. Designed and manufactured by Wossner, a renowned name in the automotive aftermarket industry, these forged pistons are well-regarded for their superior quality, precision engineering, and ability to withstand the rigors of high-performance applications.
The Wossner 8118DA pistons are uniquely crafted from aerospace-grade 2618-T6 aluminum alloy, noted for its exceptional strength and consistency. They are forged using Wossner's exclusive manufacturing process which results in pistons featuring uniform density, near-perfect dimensional accuracy, and minimal weight.
These Wossner pistons are designed with reciprocal scanning technology, ensuring perfect symmetry in design for optimal piston-to-wall clearance and piston ring sealing. Each piston undergoes rigorous testing to ensure exceptional compression height and skirt clearance for those seeking increased power and torque output in their engine build.
The 8118DA kit includes four pistons, each featuring a forged connecting rod boss, a robust wrist pin bushing, and a chamfered piston crown to reduce friction and prevent piston slap. They are also equipped with clipped pins for ease of assembly and disassembly in engines requiring frequent maintenance or assembly. Additionally, this kit accommodates rings grooves for a standard 2-piece ring set, ensuring a proper seal between the piston and the cylinder wall.
Through innovative engineering, material science, and rigorous testing, the Wossner 8118DA piston kit stands out as a top choice for individuals seeking high-performance engine upgrades that deliver both strength and reliability. By selecting this piston kit, you can be assured that your engine is receiving premium components designed to maximize power and efficiency while maintaining the durability needed for consistent operation.
Wossner Pistons PN 8118DA Kit (56.00mm) (Part No: 0910-5540) is a popular aftermarket option for upgrading the stock pistons in high-performance applications. Here is a breakdown of the potential pros and cons of investing in this piston kit.
Pros:1. Enhanced Performance: Wossner pistons are designed to provide better performance in terms of quicker combustion and increased power. They are made from forged material, which makes them stronger and more durable than stock pistons.
2. Improved Thermal Strength: The pistons' stronger material allows them to withstand higher temperatures, making them more suitable for high-performance applications.
3. Better Wear Resistance: Forged pistons have greater resistance to wear and tear compared to cast pistons, thus ensuring a longer lifespan of the components.
4. High-Quality Materials: Wossner pistons are made from high-quality materials, including crowns made from aluminum alloy and piston skirts made from steel. This combination offers a excellent balance of strength and light weight.
5. Improved Engines' Efficiency: The upgraded pistons help your engine deliver more power per cycle, which translates to increased fuel efficiency and improved overall engine performance.
Cons:1. Cost: Wossner pistons can be more expensive than stock pistons, making them an investment for enthusiasts and performance builders.
2. Installation: Installing the Wossner pistons requires some level of expertise, and professional installation is often recommended for optimal results.
3. Compatibility: Make sure that the kit is compatible with your engine make and model before making a purchase.
4. Clearance: The new pistons may necessitate clearance modifications to ensure proper fit and function within the engine.
Conclusion:The Wossner Pistons PN 8118DA Kit (56.00mm) (Part No: 0910-5540) offers a significant performance improvement over stock pistons through enhanced thermal strength, improved wear resistance, and better overall quality. However, it comes with a higher cost and stringent installation requirements. If you are a performance enthusiast or building a high-performance engine and are willing to invest the time and resources, this piston kit can be a worthwhile investment for the improved performance, durability, and efficiency it brings.
Recommendation:If you are in the market for a performance piston upgrade and considering Wossner, ensure you ve done the necessary research, and have a clear understanding of the installation process, engine compatibility, and potential clearance issues. Proper preparations combined with the advantages of stronger and more efficient pistons can lead to a successful and rewarding experience.
Any damage claims may be exchanged for the identical item only. Wossner, Piston Kit, This item fits the following model's: Yamaha YZ125 1988, Yamaha 1987, 1986. All piston kits include piston, ring, wrist pin and locks. Type: Piston Kit, Style: Replacement, Size: STD, Material: Aluminum, Displacement: 123cc, Bore: 56.00mm, Sold as: Kit.
4-stroke pistons are made using a double-bridged forging design. Standard and oversize pistons for most model's, with high compression ratios available 4-stroke applications. W ssner piston kits are used by leading Supergrass, Aren across and MX GP teams. In-house designed and manufactured; all forgings are produced in W sneers company-owned forging operation.