NAMURA ORNA-RA421583-WX Piston Kit Bike 66.35MM

( Brand: Namura ), ( Manufacturer Part Number: ORNA-RA421583-WX ), ( Part Type: Piston )

Review NAMURA Honda Dirt Bike Piston Kit 66.35mm fits CR250 1997–2001

Introducing the Namura ORNA-RA421583-WX piston kit, specifically designed for Honda CR250 bikes manufactured between the years 1997 and 2001. This piston kit is an excellent replacement option for those in need of a upgrade or a part replacement.

The kit includes two new pistons, each crafted with precision and care to ensure optimal engine performance. These pistons measure 66.35mm in diameter and are engineered to provide superior strength and durability. The piston skirts are designed to minimize friction and heat build-up, while the crowns are optimized for efficient combustion and power output.

The pistons are manufactured using high-quality materials, ensuring they can withstand the rigors of off-road riding. The piston rings are also included in the kit, ensuring a proper seal between the piston and cylinder wall for optimal engine efficiency and performance.

The pistons feature a unique design with a compact shape and a thin piston skirt, which helps to reduce weight and improve engine response. The piston pins are made from high-strength material and are designed to provide a secure connection between the piston and the connecting rod.

The piston kit comes with all necessary hardware for installation, including new piston pin bushings and piston pin retaining clips. The installation process is straightforward and can typically be completed in a few hours with the proper tools and some mechanical know-how.

Overall, the Namura ORNA-RA421583-WX piston kit is an excellent choice for Honda CR250 riders in need of a piston replacement or upgrade. With its high-quality materials, precise engineering, and straightforward installation, this kit is sure to provide reliable and efficient performance for off-road enthusiasts.

Pros and Cons of Buying a Namura OR-A421583-WX Piston Kit for a 1997-2001 Honda CR250

The Namura OR-A421583-WX Piston Kit is a popular aftermarket option for those looking to upgrade or replace the pistons on their 1997-2001 Honda CR250 motorcycle. Let's examine the potential advantages and disadvantages of investing in this piston kit.

1. Enhanced Performance: The Namura piston kit is designed to provide increased power and torque, making it an attractive option for riders looking to improve their bike's performance.

2. Durability: The pistons are made from high-quality materials, which can help extend the life of the engine and reduce the need for frequent replacements.

3. Customization: Aftermarket piston kits like the Namura OR-A421583-WX offer riders the ability to tailor their bike to their specific needs and preferences.

4. Cost-effective: In some cases, investing in a piston kit can be more cost-effective than purchasing a new motorcycle or even a rebuilt engine.

1. Installation Complexity: Installing a piston kit involves a significant amount of labor and expertise. It is not a DIY project for most people and will require the assistance of a professional mechanic.

2. Cost: The cost of the piston kit itself, as well as the additional labor and materials required for installation, can add up to a substantial investment.

3. Potential Compatibility Issues: Although the Namura OR-A421583-WX piston kit is designed to fit 1997-2001 Honda CR250 models, there is still a chance that compatibility issues may arise, requiring additional time and effort to address.

The Namura OR-A421583-WX Piston Kit offers several advantages, including enhanced performance, durability, customization, and cost-effectiveness. However, it also comes with some drawbacks, such as the complexity of installation, potential compatibility issues, and the significant cost. Ultimately, the decision to invest in this piston kit will depend on the rider's budget, technical expertise, and performance goals.

For riders looking to significantly improve their 1997-2001 Honda CR250's performance and are comfortable with the investment and installation process, the Namura OR-A421583-WX Piston Kit is a solid choice. For those who are unsure or have limited resources, it may be worth considering alternative options, such as less expensive performance upgrades or even a used motorcycle in good condition.

Details:

Credit or Debit Card. I need to exchange an item.: Brand: Namura, model Number: ORNA-RA421583-WX. This is helpful if you are buying multiple items.

1997 - 2001 Honda CR250 Dirt Bike Namura Piston Kit 66.35mm: Kit Contains: One piston, Matching Ring, Pin and Cir clips. Compatibility: Honda CR250R 1997 - 2001. Parts without fitment are to be assumed universal and may require vehicle modification. Piston Size: 66.35mm.

part #: ornara421583 price

• $77.96

specifications pistondon:

• for models: Cr250
• for makes: Honda
• for years: 1997-2001
• brand: Namura
• mpn: Orna-ra421583-wx
• part type: Piston

general pistondon:

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

returns pistondon:

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

shipping pistondon:

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

offer pistondon:

• started: April 5, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 5

seller pistondon:

• city: Indiana, US
• rating: 99.9%
• # reviews: 82028

payments pistondon:

• credit card: Mastercard
• other
• wallet: Paypal

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