NAMURA TECHNOLOGIES NW-40000 Piston Some Pwc 703624241292 81MM

( Brand: Namura Technologies ), ( Manufacturer Part Number: NW-40000 ), ( Part Type: Piston ), ( UPC: 703624241292 )

Review NAMURA TECHNOLOGIES Piston Kits For Yamaha Some Pwc Bore 81mm See List fits 1100 STD 1995–1998

The Namura NW-40000 piston is an excellent replacement option for the piston found in select Yamaha Personal Watercraft (PWC) models from 1995 to 1998, including the 1100 Standard with an 81mm bore size. This piston is specifically designed for use in high-performance applications, ensuring peak power output and durability even under heavy usage.

This aftermarket piston is manufactured from a high-quality forging material. The forging process allows the piston to have a more uniform grain structure, increasing its strength and reducing the potential for failure due to thermal stress or fatigue. Furthermore, the heavy-duty construction makes it suitable for use in both recreational and racing applications, offering enhanced reliability and longevity.

One notable feature of the Namura NW-40000 piston is its 81mm bore size, which matches the original equipment used in the targeted Yamaha PWC models. This means that the piston provides a perfect fit, without the need for additional modifications or clearancing, making for a straightforward installation process.

The piston ring set that comes with the Namura NW-40000 piston includes high-performance rings designed for a precise fit and optimal sealing. This ensures that the piston operates within the engine cylinder efficiently and effectively, reducing the potential for leaks and power losses. Furthermore, the symmetrical ring design minimizes the risk of ring flutter and improves the engine's overall power output.

Additionally, the Namura NW-40000 piston is designed with substantial skirt thickness, which provides exceptional strength against cylinder wall contact. This is essential in high-performance applications where additional compression and power may cause increased contact pressure, potentially damaging the piston or cylinder wall.

In summary, the Namura NW-40000 piston is an excellent aftermarket option for those seeking superior power and reliability for their Yamaha 1100 Standard PWC models from 1995 to 1998. With its high-quality forged construction, perfect fit, advanced piston ring set, and substantial skirt thickness, this piston delivers enhanced performance, durability, and peace of mind.

The Namura NW-4000 piston is a performance upgrade option for some 1995-1998 Yamaha 1100 Personal Water Crafts (PWCs) with a standard 81mm cylinder. Here are the pros and cons of installing this piston:

1. Increased Power: The Namura NW-4000 piston is designed to provide more power and better performance compared to the stock piston. It offers a higher compression ratio and improved combustion efficiency, resulting in better acceleration and top-end speed.

2. Durability: This piston is made from high-quality materials, such as forged aluminum alloy, which makes it more durable than the stock piston. It can handle higher RPMs and greater engine stress, improving the overall reliability and longevity of the engine.

3. Improved Efficiency: The Namura NW-4000 piston has an optimized combustion chamber design, reducing fuel consumption and improving engine efficiency. This means that you can save money in the long run and reduce your carbon footprint.

1. Higher Cost: The Namura NW-4000 piston is more expensive compared to the stock piston. However, the price difference may be worth it if you are looking for significant performance improvements.

2. Complex Installation: Installing the Namura NW-4000 piston requires specialized tools and technical expertise. It's not a straightforward DIY project, and the installation process can be time-consuming and labor-intensive.

3. Risk of Damage: Installing a high-performance piston like the Namura NW-4000 can increase the risk of engine damage if not installed correctly. It's crucial to only use reputable dealers or technicians for the installation to avoid any potential issues.

The Namura NW-4000 piston is an excellent upgrade option for those seeking increased power, durability, and efficiency from their 1995-1998 Yamaha 1100 PWC with a standard 81mm cylinder. However, it comes with a higher cost, complex installation process, and a risk of damage if not installed correctly. Ultimately, whether or not the benefits outweigh the drawbacks depends on your individual boating needs, budget, and technical expertise. If you have the necessary resources and are confident in your ability to install the piston correctly or trust a reputable technician, then the Namura NW-4000 piston is an excellent investment that can significantly enhance your watercraft's performance. If you're unsure about your ability to handle the installation or if the cost is too high, you may want to consider other options.

Details:

Kit Includes 3 Pistons, Ring sets, Pins, Clips you get exactly what is pictured. Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Piston dome is anodized for superior heat resistance and longer lifespan. Manufactured by Namura.

Made in Taiwan. Compatible with Yamaha model's below: 1995 Wave Raider 1100. Kits are for standard bore size - 81.00mm

part #: nw40000 prices

• $67.95-$191.68

specifications perwatercraft:

• for models: 1100, Std
• for makes: Yamaha
• for years: 1995-1998
• brand: Namura Technologies
• mpn: Nw-40000
• part type: Piston
• upc: 703624241292

offer perwatercraft:

• options: Ship-to-home
• started: January 13, 2025
• sold: 0
• availability: In Stock
• quantity: 4

returns perwatercraft:

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

shipping perwatercraft:

• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard
• transit: 3-9 Days

payments perwatercraft:

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

seller perwatercraft:

• city: Suamico, Wisconsin
• # reviews: 384152
• rating: 99.3%

general perwatercraft:

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

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