NAMURA 057KX85NPK4845 Piston Kit 48.50MM

( Brand: Namura ), ( Manufacturer Part Number: 057KX85NPK4845 ), ( Country Of Origin: Taiwan ), ( Machine Type: Off-road Motorcycle ), ( Items Included: Piston Rings, Wrist Pin, Piston, Circlips ), ( Piston Diameter: 48.45mm ), ( Material: Hypereutectic Cast Aluminum ), ( Piston Type: Cast, Dual Ring ), ( Engine Type: 2-stroke ), ( Type: Piston Kit ), ( Cylinder Bore Diameter: 48.50mm ), ( Surface Finish: Has Teflon Skirt Coating )

Review NAMURA Kawasaki Piston Kit 48.50mm Stock Bore fits KX85 STD KX 1985–2007

Introducing the Namura 057KX85NPK4845 piston kit, specifically designed for the Kawasaki KX 85 motorcycles from the years 2005 to 2007. This high-performance piston kit is an excellent upgrade for riders seeking improved power and durability for their off-road bikes.

The piston itself measures 48.50mm in diameter and comes as a standard replacement for the original part. Each piston is meticulously crafted using advanced manufacturing techniques, ensuring a perfect fit and exceptional quality. The piston's top ring groove is precisely machined to accommodate the included O-ring, ensuring a tight seal and optimal engine performance.

The piston's skirt is designed with a unique dish shape that enhances the engine's power output. The skirt's thickness is optimally balanced to reduce weight while maintaining the necessary strength. This design results in increased horsepower and torque, making your Kawasaki KX 85 more responsive and agile on the trail.

The piston also features a state-of-the-art coating that offers superior heat resistance and protection against engine wear. This coating provides an additional layer of defense against the intense heat generated during operation, ensuring the longevity of the piston and reducing the need for frequent replacements.

The Namura 057KX85NPK4845 piston kit includes not only the piston itself but also a new piston pin, piston pin retainer, and piston pin bushing. These components are engineered to work together seamlessly with the new piston, ensuring a perfect fit and optimal engine performance.

Installing the Namura 057KX85NPK4845 piston kit is a straightforward process that can be done with basic hand tools. The included installation instructions provide clear, step-by-step guidance to help you complete the job confidently and efficiently.

In summary, the Namura 057KX85NPK4845 piston kit is an exceptional upgrade for Kawasaki KX 85 motorcycles from 2005 to 2007. With its advanced design, superior quality, and easy installation, this piston kit will help you unlock improved power, durability, and performance on your off-road bike.

The Namura 057KX85NPK4845 piston is a replacement part designed for the Kawasaki KX 85 motorcycle model years 2005, 2006, and 2007. Here are some pros and cons that may help you make an informed decision about purchasing this product:

1. Designed specifically for Kawasaki KX 85 models: This piston is engineered to fit and function correctly in the KX 85 engine, ensuring optimal performance.

2. High-quality materials: The piston is made of forged aluminum alloy, ensuring durability and strength.

3. Improved power and torque: A high-performance piston like this one can help increase power output and torque, leading to better acceleration and overall performance.

4. OEM-style design: This piston has an OEM-style design, meaning it closely resembles the original equipment that came with the motorcycle, ensuring a factory-like fit and finish.

5. Affordable: Compared to purchasing a new motorcycle or even a complete engine rebuild, a piston replacement like this one is a cost-effective solution for improving performance and extending the life of your KX 85.

1. Installation complexity: Installing a new piston can be a complex process and may require specialized tools and technical knowledge. It is recommended that this work be done by a professional mechanic or experienced rider.

2. Cost: While the piston itself may be an affordable solution, there may be additional costs associated with the installation process, such as labor fees or the need to purchase additional parts or tools.

3. Potential for engine damage: Installing the wrong piston or not following the proper installation procedure can result in engine damage, potentially leading to costly repairs.

The Namura 057KX85NPK4845 piston is a high-quality, affordable solution for improving the performance of your Kawasaki KX 85 motorcycle. However, it is essential to understand that installing a new piston can be a complex process and may require specialized knowledge and tools. It is recommended that this work be done by a professional mechanic to ensure a proper installation and avoid any potential engine damage.

If you are experiencing performance issues with your Kawasaki KX 85 motorcycle or simply looking to upgrade its engine, a high-performance piston like the Namura 057KX85NPK4845 is an excellent investment. However, it is crucial to ensure that the installation is done correctly by a professional mechanic to ensure optimal performance and avoid any potential complications.

Details:

Includes piston, rings, wrist pin, and circlips. High-quality cast piston made with excellent materials to precise specifications. Made to meet or exceed OEM specifications. Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts.

Brand New Namura Piston Kit. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy. Piston is for the standard bore 48.50mm, actual size of piston 48.45mm. High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing.

MOS2 Teflon/Molybdenum coated skirts perform at the highest standards, reducing friction and heat for added power longevity.

part #: 057kx85npk4845 price

• $59.77

specifications pistondon:

• for models: Kx85, Std, Kx
• for makes: Kawasaki
• for years: 1985-2007
• brand: Namura
• mpn: 057kx85npk4845
• country of origin: Taiwan
• machine type: Off-road Motorcycle
• items included: Piston Rings, Wrist Pin, Piston, Circlips
• piston diameter: 48.45mm
• material: Hypereutectic Cast Aluminum
• piston type: Cast, Dual Ring
• engine type: 2-stroke
• type: Piston Kit
• cylinder bore diameter: 48.50mm
• surface finish: Has Teflon Skirt Coating

general pistondon:

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

seller pistondon:

• # reviews: 95301
• city: Interlochen, Michigan
• rating: 99.8%

returns pistondon:

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

offer pistondon:

• started: May 30, 2026
• quantity: 4
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments pistondon:

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

shipping pistondon:

• transit: 4-7 Days
• cost: $0.00
• type: Fixed
• carrier: USPS
• service: USPS Ground Advantage, USPS Priority Mail, USPS Priority Mail Express
• class: Standard, Expedited

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