WISECO ORWI-CO425735-ON Piston Bike 87MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO425735-ON ), ( Part Type: Piston )

Review WISECO Yamaha Dirt Bike Piston 87mm fits YZ490 1983

Introducing the WISCO ORWI-CO425735-ON piston, a high-performance replacement option for the 1983 Yamaha YZ490 motorcycle. This piston is designed to deliver exceptional power and reliability, making it the go-to choice for riders seeking to enhance their bike's performance.

Measuring 87mm in bore size, this piston is precision-engineered to fit perfectly in the YZ490's engine. It is machined from a forged aluminum alloy, ensuring superior strength and durability. The piston crown is designed with a dome shape that provides optimal compression, while the skirt is optimized for a snug fit within the cylinder.

The WISCO ORWI-CO425735-ON piston features a state-of-the-art ring package. The piston rings are made from high-quality, heat-resistant materials that ensure a tight seal, preventing combustion gases from leaking out and compressive gases from escaping. The rings are also designed to minimize friction, reducing wear and tear on the piston and cylinder.

The piston's lightweight design helps to reduce rotating mass, resulting in quicker acceleration and improved engine responsiveness. It also features a cooling fin design that enhances heat dissipation, maintaining optimal engine temperature for optimal power output.

This piston is also designed to be easy to install. It comes with all the necessary hardware, including piston rings, pins, and clips. The piston is also coated with a thin film of molybdenum disulfide (Moly) to ensure a smooth installation and reduce friction.

In summary, the WISCO ORWI-CO425735-ON piston is a top-quality replacement option for the 1983 Yamaha YZ490 motorcycle. With its superior strength, lightweight design, and advanced ring package, this piston is sure to provide enhanced power, reliability, and performance.

Wiseco WI-CO425735-ON 1983 Yamaha YZ490 Bike Piston (87mm): A Comprehensive Analysis

a. **High-Performance:** This aftermarket piston from Wiseco is designed to provide increased horsepower and torque, making it an excellent choice for racing applications or riders seeking improved performance.

b. **Durability:** Wiseco pistons are renowned for their durability and resistance to detonation and engine knocking, ensuring optimal engine performance and longevity.

c. **Customizability:** This piston is available in various sizes, enabling riders to customize their engine to suit their specific needs and preferences.

a. **Cost:** Aftermarket pistons like the Wiseco WI-CO425735-ON can be more expensive than stock pistons, which may deter some riders.

b. **Installation Complexity:** Installing an aftermarket piston can be a complex process, requiring specialized tools and expertise. This could potentially result in additional costs and time.

The Wiseco WI-CO425735-ON 87mm piston for the 1983 Yamaha YZ490 is an excellent choice for riders seeking high performance and durability. Its ability to withstand the rigors of racing and customizable options make it a popular upgrade among enthusiasts. However, its higher cost and complex installation process may deter some riders.

If you are a dedicated racer or performance enthusiast with the necessary skills and resources, the Wiseco WI-CO425735-ON piston is a worthwhile investment. For those who are unsure about the installation process or are on a tighter budget, a stock piston may be a more suitable option. Always ensure that you consult with a professional mechanic or the manufacturer before making any engine upgrades.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. 1983 Yamaha YZ490 Dirt Bike Wiseco Piston 87mm: Compatibility: YZ490, Size: 87mm.: Brand: Wiseco, model Number: ORWI-CO425735-ON. I need to exchange an item.

This is helpful if you are buying multiple items.

part #: orwico425735 prices

• $219.99-$243.95

specifications pistondon:

• for models: Yz490
• for makes: Yamaha
• for years: 1983
• brand: Wiseco
• mpn: Orwi-co425735-on
• part type: Piston

offer pistondon:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 5
• started: April 26, 2025

general pistondon:

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

shipping pistondon:

• service: Standard
• transit: 3-5 Days
• cost: $0.00
• type: Fixed
• class: Standard

seller pistondon:

• city: Sparks, NV
• # reviews: 63398
• rating: 99.4%

payments pistondon:

• credit card: Diners-club
• other
• wallet: Apple-pay

returns pistondon:

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

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