NAMURA PWC Yamaha Piston Kit (Part No. NW-40001-2) for Personal Watercraft Engines

Namura piston kits come with the piston individually wrapped; a set of OEM quality rings packed in their own box, a wrist pin, and circlips.

• MOS2 (Teflon/Molybdenum) Coated Skirts: A rolled-on application process provides a bond that is 10 times stronger than other spray on coatings. 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. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%.
• Anodized Domes: Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons.
• Hypereutectic Casting Process: Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures.

Namura gaskets are manufactured to OE-specs, which means no trimming or fitment issues. Our materials are explicitly selected for their temperature, oil, fuel, and coolant-resistant qualities as well as tested using ASTM standards. Each design is evaluated against rigid quality-control standards to ensure each set meets or exceeds OE performance.

Piston diameter: 84mm

Kit includes:

Piston

Rings

Wrist pin

The NAMURA PWC Yamaha Piston Kit (Part No. NW-40001-2) is designed to deliver reliable performance and durability for your personal watercraft engine. This piston kit is engineered specifically for Yamaha models, ensuring a perfect fit and optimal operation. Constructed with high-quality materials, it provides excellent resistance to wear and thermal stress, extending the lifespan of your engine and maintaining peak performance. Whether you're replacing worn-out components or upgrading for enhanced durability, this piston kit offers a cost-effective solution to keep your watercraft running smoothly. Easy to install, it features precision machining and high-grade components that meet or exceed OEM standards. Compatible with Yamaha PWC engines, this kit is an essential part for boat owners seeking dependable, long-lasting engine components.

Features:

• Designed specifically for Yamaha personal watercraft engines for precise fit and performance

• Constructed with high-quality materials for durability and thermal resistance

• Includes all necessary components for comprehensive piston replacement

• Engineered to meet or exceed OEM standards for reliable operation

• Easy installation process suitable for professional mechanics and DIY enthusiasts