fits model: Yz, 250. make: Yamaha. year: 1988–1991.

( Brand: Wossner Pistons ), ( Manufacturer Part Number: 8134D050 ), ( Part Type: Piston )
Wossner Pistons 8134D050 is a high-quality replacement piston designed specifically for Yamaha YZ 250 motorcycles from 1988 to 1991. This piston is an excellent choice for riders seeking improved engine performance and reliability.
The 8134D050 piston is made of forged aluminum alloy, which ensures superior strength and durability. The forging process used by Wossner ensures a consistent density and uniformity in the piston, minimizing the risk of failure due to material weaknesses. The piston's skirt is highly polished, which reduces friction with the cylinder wall, improving efficiency and reducing wear.
The piston features a closed-deck design, which provides excellent sealing and pressure containment. This design also helps to reduce the likelihood of piston slap, a common issue in high-performance engines. The piston's top ring groove is machined to precise tolerances, ensuring proper ring fit and sealing, which in turn helps to reduce blowby and improve engine efficiency.
The 8134D050 piston has a bore diameter of 44mm and a compression height of 68mm. It is designed to fit Yamaha YZ 250 engines with a stroke of 52.5mm, which was used in these models between 1988 and 1991. The piston also features a domed crown, which aids in engine combustion and improves power delivery.
Wossner Pistons are known for their precision manufacturing and rigorous quality control processes. Each piston is inspected and tested to ensure it meets the highest standards of performance and reliability. The 8134D050 piston is no exception, and it is backed by Wossner's industry-leading warranty for added peace of mind.
In conclusion, the Wossner Pistons 8134D050 is a top-quality replacement piston for Yamaha YZ 250 motorcycles from 1988 to 1991. Its forged aluminum alloy construction, closed-deck design, and precision manufacturing make it an excellent choice for riders seeking improved engine performance and reliability. The piston's high-polished skirt, machined top ring groove, and domed crown further enhance its performance and durability, making it a great investment for any Yamaha YZ 250 enthusiast.
Pros of buying Wossner 8134d050 pistons for Yamaha YZ 250 (1988-1991):1. High-quality materials: Wossner pistons are made from forged aluminum alloy, ensuring durability and strength.
2. Improved performance: These pistons can help increase engine power and torque, providing a better overall performance.
3. Enhanced reliability: Wossner pistons are known for their ability to withstand high temperatures and pressures, reducing the risk of engine failure.
4. Precise manufacturing: Wossner uses advanced manufacturing techniques, such as CNC machining, to ensure that the pistons have a perfect fit and are well-balanced.
Cons of buying Wossner 8134d050 pistons for Yamaha YZ 250 (1988-1991):1. Higher cost: Compared to OEM pistons, Wossner pistons are typically more expensive.
2. Requires additional modifications: In some cases, installing aftermarket pistons may require additional modifications to the engine, such as changing the ring gaps or compression ratio.
3. Potential compatibility issues: It's essential to ensure that the aftermarket pistons are compatible with your specific engine model and year.
Conclusion:If you're looking for improved engine performance and reliability, Wossner 8134d050 pistons for Yamaha YZ 250 (1988-1991) could be a great investment. However, it's important to consider the higher cost and potential compatibility issues before making a purchase. It's always recommended to consult with a professional mechanic or engine builder to ensure that the pistons are the right fit for your specific engine and that the installation process is carried out correctly.
Recommendation:If you decide to purchase Wossner 8134d050 pistons for your Yamaha YZ 250, make sure to purchase them from a reputable dealer and follow the manufacturer's installation instructions carefully. Additionally, consider having the pistons installed by a professional mechanic to ensure a proper fit and optimal engine performance.
Wossner Piston 68.44mm Yamaha YZ 250 1988 -1991: In-house designed and manufactured; all forgings are produced in Wossner company-owned forging operation. All Pistons include piston, ring, wrist pin and locks. 4-stroke Pistons are made using a double-bridged forging design. Wossner Pistons are used by leading Supergrass, Aren across and MX GP teams.
Made in Germany.