WISECO PISTON 4069M07400 Eleven 73.95MM 2.50MM 10.25

( Brand: Wiseco Piston ), ( Manufacturer Part Number: 4069M07400 )

Review WISECO PISTON 73.95mm 2.50mm 10.25 #4069m07400 For Yamaha Xs eleven fits XS

The WiseCo Piston 4069M07400 is a high-performance replacement piston specifically designed for Yamaha XS-Eleven motorcycles. This piston measures 73.95mm in length and 10.25mm in diameter, making it an excellent upgrade for those seeking improved power and efficiency.

The piston features a 2.50mm compression height, which increases the compression ratio of the engine, allowing for a more efficient combustion process. This results in increased horsepower and torque, enhancing the overall riding experience.

The WiseCo piston is made using state-of-the-art manufacturing processes, ensuring a high level of precision and durability. It is crafted from a forged aluminum alloy, providing exceptional strength and resistance to wear and tear. The piston crown is finished with a Nickel-Chrome-Molybdenum coating, which protects against scuffing and provides superior heat transfer.

The piston's skirt is designed with a dish shape, allowing for better ring sealing and reducing the amount of blowby gases. This results in improved combustion efficiency and reduced engine oil consumption. The piston's second ring groove is also machined to accommodate a second oil control ring, which helps to reduce engine oil consumption and improve engine cleanliness.

This WiseCo piston comes with a piston pin and rings included, making it a complete piston kit for easy installation. The piston pin is made from high-strength steel and is nitrided for added durability, while the rings are made from a high-quality, low-friction material that ensures a long service life.

In conclusion, the WiseCo Piston 4069M07400 is an excellent upgrade for Yamaha XS-Eleven motorcycles seeking increased power and efficiency. With its precise manufacturing, high-strength materials, and durable coatings, this piston ensures reliable and long-lasting performance.

The Wiseco Piston 4069M07400 is a performance aftermarket piston designed for the Yamaha XS-11 motorcycle. This piston offers several advantages over the OEM (Original Equipment Manufacturer) piston. Here are some pros and cons to help you make an informed decision:

1. Enhanced Performance: Wiseco pistons are known for their high-performance characteristics. This piston may provide better combustion efficiency, increased horsepower, and improved throttle response, making it suitable for riders seeking more power and better engine response.

2. High-Quality Materials: Wiseco pistons are made from forged aluminum alloy, which is stronger and more durable than cast pistons. This material choice provides better heat dissipation, reduces the likelihood of piston failure, and results in a longer engine life.

3. Customizable: Wiseco offers various piston designs to cater to different riding styles and engine modifications. This piston is specifically designed for the Yamaha XS-11 with the given dimensions, ensuring a precise fit and optimal engine performance.

1. Cost: Performance aftermarket parts, like the Wiseco piston, typically come with a higher price tag than their OEM counterparts. This piston costs around 73.95 USD, which is more than the average OEM piston price.

2. Installation Complexity: Installing a performance aftermarket piston like the Wiseco Piston 4069M07400 requires considerable mechanical knowledge and experience. Improper installation may lead to engine damage, so it is recommended to have the installation done by a professional mechanic.

3. Potential Noise: Performance aftermarket pistons may produce more noise compared to OEM pistons due to their design characteristics. This noise can be attributed to the enhanced power output and improved engine response.

The Wiseco Piston 4069M07400 is an excellent choice for Yamaha XS-11 riders seeking enhanced performance and durability. Its high-quality materials, improved power output, and precise fit make it a worthwhile investment for those who value performance and customization. However, the higher cost and potential installation complexities may deter some riders. Ultimately, the decision to purchase this piston comes down to personal preferences, budget, and riding style.

If you are a Yamaha XS-11 rider looking for better engine performance, durability, and customization options, the Wiseco Piston 4069M07400 is a solid choice. However, it is essential to consider the potential costs and installation complexities before making a purchase. For those who are unsure about the installation process, it is recommended to consult a professional mechanic for assistance.

Details:

Chrome plated Piston pin. Yamaha XS1100S XS-Eleven Special 1978-1981. Pressure seal groove. Reduced friction/scuff resistant.

Improved flame travel. Maximum ring seal. Horizontal slot pin oiling. Maximum compression and oil control.

Yamaha XS1100L XS-Eleven Midnight Special 1980 -1981. Smooth edges for improved combustion flow. Light weight and superior strength. Yamaha XS1100 XS-Eleven 1978-1981.

Made in the USA. This item fits the following applications. Race-Ready finish. Includes 1 Piston, ring set, wrist pin and 2 cir clips.

part #: 4069m07400 prices

• $161.55-$197.99

specifications pistondon:

• for models: Xs
• for makes: Yamaha
• brand: Wiseco Piston
• mpn: 4069m07400

seller Pistondon:

• city: Grand Rapids, Michigan
• # reviews: 615865
• rating: 99.3%

payments Pistondon:

• credit card: Visa
• other
• wallet: Google-pay

offer Pistondon:

• quantity: 2
• sold: 0
• started: June 5, 2025
• availability: In Stock
• options: Ship-to-home

shipping Pistondon:

• type: Fixed
• service: UPS Ground
• transit: 2-5 Days
• carrier: UPS
• class: Standard
• cost: $0.00

returns Pistondon:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

general Pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

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