1. Personal Watercraft Parts Products
  2. sku: 3716978439519692
  3. NAMURA NW-20001-2

NAMURA TECHNOLOGIES NW-20001-2 Piston 703624242367 .020 75.5MM

fits model: Js550, Sx550. make: Kawasaki. year: 1982–1990.

Nw-20001-2 Namura Technologies 2 Piston Kits For Kawasaki 1982-1990 Js550 And Sx550 .020 Over Bore 75.5mm

( Brand: Namura Technologies ), ( Manufacturer Part Number: NW-20001-2 ), ( Part Type: Piston ), ( UPC: 703624242367 )

Review NAMURA TECHNOLOGIES Piston Kits For Kawasaki And .020 Over Bore 75.5mm fits JS550 SX550 1982–1990

The Namura NW-20001-2 piston is a high-performance replacement piston engineered specifically for Kawasaki JS550 and SX550 motorcycles manufactured between 1982 and 1990 with a 75.5mm bore size. This piston is designed as an upgrade option for riders seeking enhanced power and durability.

Crafted from forged SikaAlloy steel, this piston boasts incredible strength and resilience. Forged pistons ensure optimal rigidity while retaining minimal weight, improving engine efficiency and overall performance. The piston skirt features improved ring groove designs, ensuring a precise fit and optimal engine sealing - reducing the risk of combustion gases escaping and diminishing power output.

The piston crown has been meticulously engineered with a high dome design, which provides a larger combustion chamber volume. This results in improved power delivery and linear power characteristics. Additionally, the crown undergoes a specialized treatment to achieve optimal heat distribution ensuring optimal engine performance even under high-stress conditions.

To enhance durability, Namura equips this piston with a nickel plated piston pin, which provides an additional layer of protection against wear and corrosion. Furthermore, the piston pin retains a hammer forged design, ensuring strength and resistance to torsional forces.

This piston comes pre-gapped with a 2mm nut-type piston ring to simplify the installation process and reduce the chances of errors. The piston rings themselves are designed from high-quality materials for increased durability and longevity, effectively reducing the mechanical load on the engine and improving overall efficiency.

Designed and manufactured in Japan, the Namura NW-20001-2 piston is a precise fit and finish for your Kawasaki JS550 or SX550 motorcycle. It provides improved power, efficiency, and durability, ensuring a dynamic riding experience for enthusiasts seeking to enhance their machines' capabilities.

In summary, this piston delivers strength, durability, and improved power output, making it an excellent choice for those seeking a high-quality upgrade for their vintage Kawasaki motorcycles. Upgrade your engine with this dependable and reliable Namura NW-20001-2 piston and take your ride to the next level.

title: Piston Comparison: Namura NW-20001-2 for Kawasaki JS550/SX550 (1982-1990, 75.5mm)

The Namura NW-20001-2 piston is a popular upgrade option for the Kawasaki JS550/SX550 motorcycles produced between 1982 and 1990 with a 75.5mm bore. Here are some pros and cons to help you make an informed decision about purchasing this piston:

Pros:

1. Enhanced Performance: Namura pistons are known for their high-quality materials and precise manufacturing processes, which contribute to increased power and torque. The NW-20001-2 piston is no exception, promising improvements in these areas for the Kawasaki bikes.

2. Increased Durability: With premium materials, such as a forged aluminum alloy and a heavy-duty wrist pin, the Namura piston provides better resistance to engine stress and wear, extending the lifespan of the engine.

3. Quieter Operation: The piston skirt features a roller skirt design that minimizes friction, resulting in a quieter operation compared to standard OEM piston designs.

4. High-Performance Wrist Pin: The heavy-duty, precision-machined wrist pin ensures a snug fit in the connecting rod, reducing the chances of engine knocking and improving power delivery.

5. Vintage Racing Application: For those who take part in vintage racing, the Namura NW-20001-2 piston offers a competitive edge due to its improved performance and durability.

Cons:

1. Cost: The Namura piston is typically more expensive than the stock OEM piston, which may be a major factor for some buyers.

2. Custom Installation: Depending on one's mechanical skill level, installation of the Namura piston might be a challenging process. It may require specialized tools and expertise.

3. Warranty: As a third-party manufacturer, Namura pistons may not come with the extensive warranty coverage that many OEM parts offer. Be sure to review the warranty terms before making a purchase.

4. Potential Clearance Issues: In some cases, installation of a high-performance piston like the Namura NW-20001-2 might require additional clearance mods, such as altering the crank or cylinder head. This can lead to additional costs and complexity.

Conclusion:

The Namura NW-20001-2 piston offers significant benefits for Kawasaki JS550/SX550 owners seeking increased performance and durability. Improved power, torque, and reduced noise levels make it an attractive upgrade for riders who want to optimize their older bike's abilities. However, the increased cost, potential installation challenges, and slight impact on clearances are considerations that should be weighed before making a final decision. If you are comfortable with the additional investment and mechanical challenges, the Namura NW-20001-2 piston can be a valuable and enjoyable upgrade for your Kawasaki motorcycle.

Recommendation: If you decide to proceed with the installation of the Namura NW-20001-2 piston, firmly consider the following recommendations:

1. Thoroughly research the installation process and gather the necessary tools and expertise to ensure a successful installation.

2. Consult a reputable motorcycle workshop or mechanics if you're uncertain about the process.

3. Carefully review the warranty terms to ensure adequate coverage for your needs.

4. Determine if any necessary clearance modifications are required beforehand to streamline the installation process.

Details:

Piston dome is anodized for superior heat resistance and longer lifespan. Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Manufactured by Namura. Fits Kawasaki model's below: 1982 550.

Kit Includes 2 Pistons, Rings, Pins, Clips you get exactly what is pictured. Made in Taiwan. Kits are for .020 over bore size - 75.50mm.

part #: nw200012 prices

  • $56.91-$124.80

specifications perwatercraft:

  • for models: Js550, Sx550
  • for makes: Kawasaki
  • for years: 1982-1990
  • brand: Namura Technologies
  • mpn: Nw-20001-2
  • part type: Piston
  • upc: 703624242367

payments perwatercraft:

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

seller perwatercraft:

  • # reviews: 383859
  • city: Suamico, Wisconsin
  • rating: 99.4%

shipping perwatercraft:

  • transit: 4-8 Days
  • class: Standard
  • cost: $0.00
  • type: Fixed
  • service: Standard

returns perwatercraft:

  • policy: Returns Accepted
  • time: 60 Days
  • paid by: Buyer

general perwatercraft:

  • condition: New
  • Parts Accessories > Personal Watercraft Parts > Other Parts

offer perwatercraft:

  • availability: In Stock
  • quantity: 2
  • started: December 31, 2024
  • options: Ship-to-home
  • sold: 0
for models: js550, sx550, for makes: kawasaki, for years: 1982-1990, part type: piston,
category: watercraft parts > parts, sku: 3716978439519692,

Namura Technologies NW-20001-2 Is Similar To:

perwatercraft logo
5 offers $56.91–$124.80 USD
  • Offer #1: $98.95 price + $0.00 shipping estimate = $98.95* total. Fits Kawasaki models below. Manufactured by Namura.FREE SHIPPING
  • Offer #2: $56.91 price + $0.00 shipping estimate = $56.91* total. Will not accept OEM rings and rings will not work on OEM piston.FREE SHIPPING
  • Offer #3: $124.80 price + $0.00 shipping estimate = $124.80* total. Kawasaki JS550 1983. Top End Repair Kit.FREE SHIPPING
  • Offer #4: $62.99 price + $0.00 shipping estimate = $62.99* total. Genuine Namura Products Will not accept OEM rings and rings will not work on OEM piston.FREE SHIPPING
  • Offer #5: $60.26 price + $0.00 shipping estimate = $60.26* total. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING

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