NAMURA TECHNOLOGIES NW-40012-2 Piston Waverunner .020 76.5MM

( Brand: Namura Technologies ), ( Manufacturer Part Number: NW-40012-2 ), ( Part Type: Piston ), ( Country Of Origin: Taiwan )

Review NAMURA TECHNOLOGIES .020 Over Bore Piston Kits For Yamaha Waverunner 76.5mm fits 1100 VX 2005–2015

Introducing the Namura NW-40012-2 020 piston, an essential replacement part for Yamaha Waverunner VX 1100 models from 2005 to 2015. This piston is specifically designed to fit the 76.5mm cylinder and is a must-have for those seeking optimum engine performance.

The Namura piston is engineered using advanced materials and manufacturing techniques to ensure superior quality and durability. It is crafted from a high-strength forged aluminum alloy, providing enhanced rigidity and resistance to wear and tear. The piston skirt is designed with an optimized crown shape, ensuring efficient combustion and power output.

The piston ring grooves are precision machined, enabling a perfect seal between the piston and cylinder liner. This ensures minimal oil consumption and effective cooling, prolonging the life of the engine. The piston rings themselves are made from a high-quality, heat-resistant material, ensuring a tight seal and optimal compression.

The Namura piston also features a balanced design, reducing vibration and engine noise. It is also designed with a cooler-running temperature, reducing the risk of thermal damage and increasing the overall lifespan of the engine.

Installing the Namura NW-40012-2 020 piston is a straightforward process, making it a popular choice among DIY enthusiasts and professional technicians alike. With its precise fit and high-quality materials, this piston is an excellent investment for any Yamaha Waverunner VX 1100 owner looking to maintain or enhance their watercraft's performance.

The Namura NW-40012-2 020 piston is a replacement option for the piston on Yamaha Waverunner VX 1100 models from 2005 to 2015. Here are some potential pros and cons to consider before making a purchase:

1. Compatibility: This piston is designed to fit specifically on Yamaha Waverunner VX 1100 models from 2005 to 2015, ensuring a proper fit and function.

2. Availability: This aftermarket piston is widely available online, making it convenient to purchase and have delivered to your doorstep.

3. Cost-effective: Compared to OEM (original equipment manufacturer) pistons, aftermarket options like this one are generally more affordable, making it a budget-friendly choice for many boat owners.

1. Quality concerns: Aftermarket parts, including pistons, may not be of the same quality as OEM parts. While the Namura piston is designed to meet or exceed OEM specifications, some users have reported issues with durability and performance.

2. Warranty: OEM pistons often come with a warranty, providing peace of mind and protection against manufacturing defects. Aftermarket pistons, like the Namura, typically do not come with a warranty.

3. Installation: Installing aftermarket parts like a piston can be a complex and time-consuming process, especially for those without mechanical expertise. Hiring a professional to install the piston can add to the overall cost.

The Namura NW-40012-2 020 piston can be a cost-effective and readily available solution for those in need of a replacement piston for their Yamaha Waverunner VX 1100. However, it's important to be aware of the potential quality concerns and lack of a warranty, as well as the potential complexity of the installation process. Ultimately, it's up to the individual boat owner to weigh the pros and cons and decide if this aftermarket piston is the right choice for their needs and budget.

If you're comfortable with the potential risks and cost savings associated with an aftermarket piston, the Namura NW-40012-2 020 piston can be a viable option for your Yamaha Waverunner VX 1100. However, if you prioritize warranty coverage and peace of mind, you may want to consider purchasing an OEM piston instead. Alternatively, you could consult with a professional mechanic to assess your specific situation and determine the best course of action.

Details:

Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life. Kit is for .020 over bore size - 76.50mm. Compatible with Yamaha model's below: 2005 WaveRunner 1100 Deluxe. Pistons measure 76.41mm.

Piston dome is anodized for superior heat resistance and longer lifespan. Kit Includes 4 Pistons, Ring sets, Pins Clips you get exactly what is pictured. Manufactured by Namura. Made in Taiwan.

part #: nw400122 prices

• $71.50-$75.64

specifications perwatercraft:

• for models: 1100, Vx
• for makes: Yamaha
• for years: 2005-2015
• brand: Namura Technologies
• mpn: Nw-40012-2
• part type: Piston
• country of origin: Taiwan

payments perwatercraft:

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

returns perwatercraft:

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

seller perwatercraft:

• rating: 99.6%
• # reviews: 395226
• city: Suamico, Wisconsin

shipping perwatercraft:

• type: Fixed
• class: Standard
• service: Standard
• cost: $0.00
• transit: 2-6 Days

offer perwatercraft:

• started: November 19, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 2

general perwatercraft:

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

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