WISECO ORWI-CO423857-ON Piston Bike 70MM

( Brand: Wiseco ), ( Manufacturer Part Number: ORWI-CO423857-ON ), ( Part Type: Piston )

Review WISECO Kawasaki Dirt Bike Piston 70mm fits KX250 1985–1986

WISCO ORWI-CO423857-ON 70mm Piston for 1985-1986 Kawasaki KX250 Bikes

The WISCO ORWI-CO423857-ON piston is an excellent replacement option for the piston in your 1985-1986 Kawasaki KX250 motorcycle. This high-quality piston is specifically designed to fit and perform optimally in these model years.

The piston measures 70mm in diameter, making it a direct fit for the KX250's engine during this period. It is crafted from a strong and durable material, ensuring long-lasting performance and reliability. The piston's top ring groove is designed to accommodate the factory piston ring set for a proper seal.

The WISCO ORWI-CO423857-ON piston is precision-machined to ensure a perfect fit and finish. It comes with a piston pin and piston pin retaining clip for easy installation. The piston's design optimizes engine power and efficiency, allowing your KX250 to perform at its best.

Installation of the WISCO ORWI-CO423857-ON piston is straightforward, and it is recommended to follow the manufacturer's instructions carefully to ensure a successful installation. With its high-quality construction and precise fit, this piston is an excellent choice for riders seeking to maintain their Kawasaki KX250's performance and reliability.

Investing in a WISCO ORWI-CO423857-ON piston not only guarantees a reliable replacement but also contributes to the longevity of your engine. This piston is a must-have for any KX250 rider looking to enhance their motorcycling experience.

Wiseco WI-CO423857-ON 1985-1986 Kawasaki KX250 Bike Piston: A Detailed Analysis

The Wiseco WI-CO423857-ON piston is a popular aftermarket option for the 1985-1986 Kawasaki KX250. This piston is known for its high-performance capabilities. In this analysis, we will discuss the pros and cons of buying this piston to help you make an informed decision.

1. Enhanced Power: The Wiseco piston is designed to deliver increased power and torque, making it an excellent choice for riders looking to boost their bike's performance.

2. Durability: Wiseco pistons are made from high-quality materials, ensuring they can withstand the rigors of off-road racing.

3. Precise Fitment: The piston is designed to fit perfectly in the Kawasaki KX250 engine, ensuring optimal performance and minimal wear and tear.

4. Lightweight: The piston is lighter than the OEM piston, reducing rotating mass and providing better engine response.

1. Cost: The Wiseco piston is more expensive than the stock piston, which may deter some riders.

2. Installation Complexity: Installing the Wiseco piston may require more expertise and time than installing the stock piston.

3. Potential for Engine Modifications: Installing a high-performance piston like the Wiseco may necessitate other engine modifications to ensure proper functioning.

The Wiseco WI-CO423857-ON piston offers several advantages, including enhanced power, durability, precise fitment, and lightweight design. However, it comes with a higher cost, installation complexity, and potential need for engine modifications. If you are a serious off-road racer looking for improved performance, the Wiseco piston is an excellent investment. However, if you are a casual rider, the stock piston may be sufficient for your needs.

Based on the analysis, we recommend the Wiseco WI-CO423857-ON piston for serious off-road racers looking to boost their bike's performance. However, for casual riders or those on a tight budget, the stock piston may be the better option. Before making a decision, consider your riding style, budget, and the potential need for engine modifications.

Details:

Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the. Credit or Debit Card. This is helpful if you are buying multiple items. I need to exchange an item.

All Wiseco 2 cycle pistons are supplied with rings and cir clips. Parts without fitment are to be assumed universal and may require vehicle modification. All Wiseco 4 cycle pistons come complete with rings, wrist pins and cir clips. Only Wiseco replacement ring sets can be used on pistons.

1985 1986 Kawasaki KX250 Dirt Bike Wiseco Piston 70mm: Compatibility: KX250, Notes: Electrocution Bore - Cylinder sleeking or replanting required for oversized, Size: 70mm.

part #: orwico423857 prices

• $175.85-$262.99

specifications pistondon:

• for models: Kx250
• for makes: Kawasaki
• for years: 1985-1986
• brand: Wiseco
• mpn: Orwi-co423857-on
• part type: Piston

seller pistondon:

• # reviews: 64291
• city: Boise, ID
• rating: 99.5%

offer pistondon:

• started: July 9, 2025
• sold: 0
• options: Ship-to-home
• quantity: 4
• availability: In Stock

returns pistondon:

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

payments pistondon:

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

shipping pistondon:

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

general pistondon:

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

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