NAMURA KX250NPK66352 Piston Kit 66.40MM

( Brand: Namura ), ( Manufacturer Part Number: KX250NPK66352 ), ( Country Of Origin: Taiwan ), ( Machine Type: Off-road Motorcycle ), ( Items Included: Piston, Rings, Wrist Pin, Circlips ), ( Piston Diameter: 66.35mm ), ( Material: Hypereutectic Cast Aluminum ), ( Piston Type: Cast, Dual Ring ), ( Engine Type: 2-stroke ), ( Type: Piston Kit ), ( Cylinder Bore Diameter: 66.40mm ), ( Surface Finish: Has Teflon Skirt Coating )

Review NAMURA Kawasaki Piston Kit Stock Bore 66.40mm fits KX250 STD KX 250 1998–2000

Introducing the Namura KX250NPK66352 piston kit, an essential upgrade for your Kawasaki KX250 motorcycle from the years 1998 to 2000. This high-performance piston kit is meticulously designed to deliver superior power, durability, and reliability.

The piston kit includes two new pistons, specifically engineered for the KX250's 66.40mm bore size. Each piston is crafted using the finest materials and manufacturing processes, ensuring a perfect fit and optimal engine performance. The pistons feature a forged construction, which provides incredible strength and durability, allowing you to tackle even the most demanding riding conditions.

The piston crowns are designed with a high compression finish, enabling your KX250 to extract maximum power from the fuel mixture. The piston skirts are treated with a state-of-the-art coating, ensuring a smooth slip fit within the cylinder bore, reducing friction and wear, and ultimately improving engine efficiency.

The piston rings included in this kit are also of the highest quality. They are precision manufactured to ensure a perfect fit and optimal sealing performance. The rings are made of the appropriate materials for the specific application, ensuring that they will last and perform optimally.

Installing the Namura KX250NPK66352 piston kit is a straightforward process. The kit includes all necessary hardware, making it a complete solution for upgrading your KX250's pistons. Furthermore, the piston kit is compatible with the standard crankshaft, making it an ideal choice for riders who want to enhance their KX250's performance without the need for major engine overhauls.

By upgrading your Kawasaki KX250's pistons with the Namura KX250NPK66352 piston kit, you'll experience improved power delivery, increased engine efficiency, and extended engine life. This piston kit is the perfect choice for riders who demand the best from their motorcycle and are looking for a high-performance upgrade that delivers real results.

Buying a Namura KX250NPK66352 piston kit for a 1998, 1999, or 2000 Kawasaki KX250 motorcycle can be a good investment for several reasons. Here are some pros and cons to consider:

1. Cost-effective: Replacing worn-out pistons with a new kit can save you money in the long run, as opposed to purchasing a new engine or a rebuilt one.

2. Improved performance: A new piston kit can lead to improved engine performance, resulting in better power delivery and overall riding experience.

3. Enhanced durability: The kit includes new pistons, rings, and other components that can help increase the lifespan of the engine.

4. Easy installation: The piston kit comes with all the necessary components and instructions for installation, making it a relatively simple DIY project for many riders.

1. Cost: While the piston kit may be a cost-effective solution in the long run, the upfront cost can be significant, especially when compared to the price of an OEM (original equipment manufacturer) kit.

2. Potential for errors: Installing the piston kit incorrectly can lead to engine damage or poor performance. Careful attention to the instructions and proper installation techniques are essential.

3. Quality concerns: There may be concerns about the quality of aftermarket parts compared to OEM parts. While reputable brands like Namura typically provide high-quality components, there is always a risk of receiving subpar products.

In conclusion, buying a Namura KX250NPK66352 piston kit for a 1998, 1999, or 2000 Kawasaki KX250 motorcycle can offer several benefits, including cost savings, improved performance, and enhanced durability. However, the upfront cost and potential for errors during installation are valid concerns. To mitigate these risks, it is important to purchase the kit from a reputable dealer and follow the installation instructions carefully. Ultimately, if you are looking to save money and enhance the performance of your KX250, a high-quality aftermarket piston kit like the Namura KX250NPK66352 may be the right choice for you.

Details:

High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy. 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. MOS2 Teflon/Molybdenum coated skirts perform at the highest standards, reducing friction and heat for added power longevity.

High-quality cast piston made with excellent materials to precise specifications. Piston is for the standard bore 66.40mm, actual size of piston 66.35mm. Made to meet or exceed OEM specifications. Brand New Namura Piston Kit.

Includes piston, rings, wrist pin, and circlips.

part #: kx250npk66352 price

• $68.99

specifications pistondon:

• for models: Kx250, Std, Kx, 250
• for makes: Kawasaki
• for years: 1998-2000
• brand: Namura
• mpn: Kx250npk66352
• country of origin: Taiwan
• machine type: Off-road Motorcycle
• items included: Piston, Rings, Wrist Pin, Circlips
• piston diameter: 66.35mm
• material: Hypereutectic Cast Aluminum
• piston type: Cast, Dual Ring
• engine type: 2-stroke
• type: Piston Kit
• cylinder bore diameter: 66.40mm
• surface finish: Has Teflon Skirt Coating

seller pistondon:

• # reviews: 95300
• rating: 99.8%
• city: Interlochen, Michigan

offer pistondon:

• availability: In Stock
• started: May 28, 2026
• options: Ship-to-home
• quantity: 4
• sold: 0

general pistondon:

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

payments pistondon:

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

returns pistondon:

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

shipping pistondon:

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

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