fits make: Yamaha. year: 1996–2000.

( Brand: Namura Technologies ), ( Manufacturer Part Number: NW-40001-2R ), ( Part Type: Ring Piston )
The Namura NW-40001-2R piston ring is a crucial part designed specifically for the Yamaha WaveRunner 760 Personal Watercraft, manufactured between the years 1996 and 2000. This piston ring is an essential component of the engine's internal combustion system, ensuring a proper seal between the piston and the cylinder wall to maintain optimal compression, minimize engine wear, and enhance overall engine performance.
This high-quality piston ring is made from a durable and heat-resistant material that can endure the extreme conditions of constant immersion in water. It has an outer diameter of 5mm and fits perfectly into the engine's piston groove. The cross-sectional design of this piston ring features a unique 2R pattern with four compressive ribs and two recess ribs that deliver efficient compression and better concentricity, thus reducing piston slap and prolonging engine life.
The precise manufacturing process ensures that the compression rings meet the stringent OEM specifications. This ring has undergone rigorous testing to guarantee a perfect fit and smooth operation on your 1996-2000 Yamaha 760 WaveRunner engine. By using this genuine replacement piston ring, you'll not only ensure the continued reliability and efficiency of your watercraft but also extend the overall lifespan of your engine.
The Namura NW-40001-2R piston ring is a replacement part designed for use in the engine of a Yamaha 1996-2000 760 Personal Watercraft (PWC), specifically for the 5mm piston ring size. In this analysis, we will evaluate the potential advantages and disadvantages of purchasing this product for your Yamaha jet ski.
Pros:1. Compatibility: This piston ring is specifically designed for the 1996-2000 Yamaha 760 PWC, ensuring a precise fit and minimizing the need for potential modifications or further adjustments.
2. Improved Performance: Over time, the original piston rings can become worn out, leading to reduced engine performance and efficiency. Replacing them with new OEM (original equipment manufacturer) parts like Namura NW-40001-2R can help restore your engine's optimal performance.
3. Cost-Effective: In some cases, purchasing aftermarket piston rings like Namura can be a more cost-effective option compared to replacement parts directly from Yamaha. This can help save money for PWC owners seeking a budget-friendly alternative.
4. Long-Lasting: By choosing a high-quality aftermarket part like Namura NW-40001-2R, you may experience longer-lasting piston rings compared to worn-out original equipment, ensuring durability for your engine and reducing the frequency of maintenance and replacements.
5. Customer Support: Namura, as well as several other aftermarket manufacturers, often offer superior customer support in comparison to other OEM manufacturers. This can provide a more personalized and streamlined experience when purchasing replacement parts for your Yamaha PWC.
Cons:1. Installation Complexity: Although piston rings are an essential part of an engine, their installation can be complex. It typically involves engine disassembly, ensuring precise fitment alignment, and precise torque application while installing. It may require the use of specialized tools or the expertise of a professional mechanic.
2. Potential Compatibility Concerns: While Namura NW-40001-2R is designed to be a direct replacement for the OEM part, there is always a potential for slight differences in dimensions or materials that could impact the overall performance or compatibility of the new piston rings. This unlikely risk needs to be considered before making the final purchasing decision.
3. Quality Concerns: Although Namura is a reputable aftermarket manufacturer, there is always an inherent risk when opting for aftermarket parts instead of OEM. You may encounter issues with the quality of materials, fitment, and manufacturing, ultimately leading to potential engine malfunctions or failures.
4. Warranty Coverage: Replacement aftermarket parts like Namura NW-40001-2R offered by third-party manufacturers typically come with minimal or no warranty coverage compared to OEM parts from the original equipment manufacturer. This could result in additional costs for any part failures or issues that may occur within a short period after installation.
Conclusion:The decision to purchase Namura NW-40001-2R piston rings for your Yamaha 1996-2000 760 PWC depends on a combination of factors, including budget, personal experience, and desired level of performance. The pros (compatibility, improved performance, cost-effectiveness, long-lasting, and customer support) theoretically outweigh the cons (installation complexity, potential compatibility concerns, quality concerns, and warranty coverage). However, it is essential to carefully consider all factors and, if possible, consult with a knowledgeable mechanic before making a final decision.
Recommendation:I would recommend purchasing the Namura NW-40001-2R piston rings for your Yamaha 1996-2000 760 PWC if you're looking for a high-quality, cost-effective, and compatible option with exceptional customer support. However, be prepared for the complexity of installation and the potential risks related to aftermarket parts. You may also consider consulting a professional mechanic before installation for peace of mind and to ensure a successful and efficient installation process.
Includes four compression rings you get exactly what is pictured. Made in Taiwan. Rings are for .020 over bore size - 84.50mm. 1997 Wave Blaster II 760.
Compatible with Yamaha model's below: 1996 Wave Blaster II 760. Enough to replace the rings on two pistons. Manufactured by Namura. 1996 Wave Raider 760.