fits model: Kx250. year: 1992–2004.

( Brand: Namura Technologies ), ( Manufacturer Part Number: NX-20025-2 ), ( Type: Piston Kit ), ( Make: Kawasaki ), ( Year: 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1 )
The Namura NX-20025-2 piston kit is a high-performance upgrade for Kawasaki KX250 motorcycles manufactured between 1992 and 2004 with engine number range of 6213P2. This piston kit is designed to enhance the power output, efficiency, and longevity of your KX250's engine.
The piston in this kit is made from a forged aluminum material ensuring high strength and durability. It features a compact design with a compression height of 50mm, which allows for increased combustion efficiency and better power delivery. The dome shape of the piston crown enables superior engine performance under high RPM.
The piston ring set consists of compression ring, oil scraper ring, and seal ring. The rings are made of top-quality materials to ensure a perfect seal and optimal ring gap. The compression ring is designed to reduce friction, ensuring smooth engine operation. The oil scraper ring efficiently scrapes the oil from the engine walls, keeping the oil level within the cylinder consistent.
The piston pin is made of heat-treated, chrome-molybdenum steel for maximum strength and durability. The pin's large diameter provides an enhanced connection between the piston and the connecting rod, ensuring efficient power transfer between the engine's components.
The piston kit comes with a balanced piston pin, which helps to reduce engine vibration and noise, providing a more comfortable riding experience. The piston pin is held in place by a new, high-quality piston pin bushing, which ensures a snug fit and minimizes the potential for engine slop.
The piston kit also includes a new piston pin retainer for secure attachment of the piston pin to the piston, while the piston pin clips ensure proper placement of the piston pin in the connecting rod. The piston pin clips also help to distribute engine forces evenly, preventing damages to the connecting rod.
This Namura NX-20025-2 piston kit is an excellent choice for racers, track day enthusiasts, or anyone looking to upgrade their Kawasaki KX250 for improved performance and reliability. It is carefully crafted using high-quality materials and engineered to meet the intense demands of off-road competitions. With its compact design and efficient power transfer, this piston kit guarantees powerful and consistent engine performance for an unmatched riding experience.
The Namura NX-25025-2 piston kit is designed specifically for the Kawasaki KX250 motorbikes manufactured between 1992 and 2004. The piston kit aims to enhance the engine performance and durability. In this analysis, we will discuss potential advantages and disadvantages of investing in this upgraded piston kit.
Pros of Buying Namura NX-25025-2 Piston Kit:1. Improved Engine Performance: The upgraded piston kit can result in increased power and torque, leading to enhanced acceleration capabilities. In addition, improved combustion efficiency might yield better fuel economy and less engine strain.
2. Superior Build Quality: Namura piston kits are renowned for their high-quality materials and precision machining. These pistons are designed to withstand extensive use and provide better durability, which could potentially reduce the need for costly engine repairs.
3. Customizable: The Namura NX-25025-2 kit features a choice of two piston skirt designs - "R" (1.5mm thicker) and "D" (2mm thicker). This customizability allows riders to cater to their unique riding style and track conditions.
4. Enhanced Compatibility: Namura's piston kit is specifically engineered for the KX250 (1992-2004), guaranteeing exacting fitment that does not require any modifications to the engine.
5. Thinner Piston Design: If opting for the R piston kit, riders will benefit from a thinner piston design. This reduction in weight can help lighten the engine's reciprocating mass, leading to smoother engine response and reduced engine vibrations.
Cons of Buying Namura NX-25025-2 Piston Kit:1. Cost: The Namura NX-25025-2 piston kit may come with a higher price tag compared to OEM options. Riders considering this upgrade must weigh the cost-benefit analysis to determine if the potential performance and durability improvements justify the investment.
2. Installation Complexity: Installing a complete piston kit is a somewhat involved process that requires technical expertise and proper tools. It is essential to either carry out the installation yourself or consult a professional mechanic to ensure effective results.
3. Potential Performance Variability: Careful consideration of the powerband and riding style is essential when deciding on the piston kit. Improper selection of piston skirts could lead to performance variability, including power delivery and engine response.
Conclusion:In conclusion, the Namura NX-25025-2 piston kit presents an attractive option for KX250 motorcycle users seeking performance enhancements and extended engine life. Its high-quality build, customizable designs, and improved engine compatibility are significant advantages. However, the higher cost, installation complexity, and potential performance variability must be weighed against the possible benefits. Ultimately, each rider must evaluate their budget, technical capabilities, and riding preferences before making a decision to upgrade to the Namura NX-25025-2 piston kit for their KX250 motorbike.
Recommendation:If you are an experienced rider or mechanic with a well-equipped workshop and a sufficient budget, the Namura NX-25025-2 piston kit might be an excellent investment for improved engine performance and durability. Alternatively, for those with constraints on budget or technical expertise, it may be worthwhile exploring alternative aftermarket or OEM solutions while considering potential bolt-on performance upgrades for your KX250 motorcycle.
Note: Nasal Bore; cylinder sleeking or replanting required for oversized. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy. Any damage claims may be exchanged for the identical item only. Namura, Piston Kit 66.90Mm NAMURA, This item fits the following model's: Kawasaki KX250 2004, Kawasaki 2003, 2002, 2001, 20 1999, 1998, 1997, 1996, 1995, 1994, 1993.
MOS2 Teflon/Molybdenum coated skirts perform at the highest standards, reducing friction and heat for added power longevity. Piston assemblies include ring, wrist pin and cir clips. Namura rings match the OEM design except as noted. 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.
Type: Piston Kit, Style: Replacement, Bore: 66.90mm, Sold as: Each. High-silicon content Hyper eutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. High-performance Namura pistons are engineered in the USA, manufactured Taiwan.