KAW900PWCNTERK7391 NAMURA Pistons Top End Gasket Bearings Kit

Review NAMURA Kawasaki Pistons Top End Gasket Kit Bearings 73mm for KAWASAKI STX 900 2003–2005

Introducing the Namura KAW900PWCNTERK7391 piston top end gasket kit for the Kawasaki STX 900 watercraft model years 2003 to 2005. This comprehensive kit includes all necessary piston top end components for a complete engine overhaul or replacement.

At the heart of this kit are the high-quality pistons, each featuring a 73mm bore size for a perfect fit in your Kawasaki engine. These pistons are designed to provide optimal power and efficiency, ensuring your watercraft performs at its best.

The gasket kit includes all the necessary gaskets required for the piston top end assembly, ensuring a perfect seal between components. These gaskets are meticulously engineered to provide a leak-free and efficient seal, contributing to the overall performance and longevity of your engine.

Moreover, this kit also includes the essential bearings for your watercraft's engine. These bearings are specifically designed for the Kawasaki STX 900 and are engineered to minimize friction and ensure smooth engine operation. By using high-quality bearings, you can reduce wear and tear on your engine components, leading to longer engine life and improved overall performance.

The Namura KAW900PWCNTERK7391 piston top end gasket kit is an essential component for any Kawasaki STX 900 watercraft owner seeking to maintain or upgrade their engine. This kit is a one-stop solution for all piston top end components, making it a cost-effective and convenient choice for DIY enthusiasts or professional mechanics. With this kit, you can enjoy the peace of mind that comes with knowing your engine is in top shape, allowing you to take on the water with confidence and enjoy your aquatic adventures to the fullest.

Pros and Cons of Buying a Top End Gasket Kit for a 2003-2005 Kawasaki STX 900 with Focus on the Namura KAW-900PWCN-TERK-7391 Kit

This discussion will evaluate the merits and potential drawbacks of purchasing a Namura KAW-900PWCN-TERK-7391 top end gasket kit for a 2003-2005 Kawasaki STX 900 personal watercraft (PWC).

a. Wear and Tear: Over time, the top end gaskets on a PWC can degrade, leading to loss of compression and potential engine damage. Replacing these gaskets with a new kit can help prevent these issues.

b. Performance: A fresh gasket kit can lead to improved engine performance, including smoother running and increased power.

c. Convenience: The Namura kit includes not just the gaskets, but also bearings and other components, making it a more comprehensive repair solution.

d. Quality: Namura is a reputable manufacturer known for producing high-quality aftermarket parts.

a. Cost: The Namura kit may be more expensive than some other aftermarket or OEM options, which could be a concern for some buyers.

b. Labor: Installing the new gaskets and associated components requires disassembling the engine, which can be a time-consuming and complex process.

c. Availability: Depending on the location and supplier, the Namura kit may not always be readily available, which could delay repairs.

The Namura KAW-900PWCN-TERK-7391 top end gasket kit offers several advantages, including improved engine performance, durability, and convenience. However, it also comes with a higher cost and the complexity of the installation process. Ultimately, whether this kit is the right choice for your 2003-2005 Kawasaki STX 900 depends on your budget, repair priorities, and availability of other options.

If you are experiencing issues with your top end gaskets on your 2003-2005 Kawasaki STX 900 and are looking for a high-quality, comprehensive repair solution, the Namura KAW-900PWCN-TERK-7391 kit is an excellent choice. However, if budget is a concern or you prefer a more straightforward repair, you may want to explore other options, such as purchasing just the gaskets or considering an OEM kit. Always ensure that you consult your PWC's user manual or a trusted mechanic before making any major repairs.

Details:

Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/molybdenum coated skirts. High-silicon content hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy. High-quality cast pistons made with excellent materials to precise specifications.

Mos2 Teflon/molybdenum coated skirts perform at the highest standards, reducing friction and heat for added power longevity. Brand new Namura top end engine rebuild kit. Pistons are for the standard bore 73mm, actual size of pistons is 72.90mm. Includes 3 pistons, rings, wrist pins, cir clips, pin bearings, and a top end gasket kit.

Made to meet or exceed oem specifications.

specifications watercraftimp:

• for models: Stx, 900
• for makes: Kawasaki
• for years: 2003–2005
• brand: Namura
• mpn: Kaw900pwcnterk7391
• part type: Gasket Bearing Piston
• engine type: 2-stroke
• oe/oem part number: 13001-3720
• piston size: 72.90mm
• piston material: Hypereutectic Cast Aluminum
• country of origin: Taiwan
• cylinder bore size: Standard Bore 73mm

seller watercraftimp:

• # reviews: 9200
• city: traverse city, michigan
• rating: 99.8%

offer watercraftimp:

• sold #: 18
• price: $239.77
• item condition: New
• in stock #: 2
• started: june 8, 2026
• availability: in stock
• options: ship-to-home

shipping watercraftimp:

• type: fixed
• carrier: usps
• class: standard, expedited
• transit: 3-7 days
• service: usps ground advantage, usps priority mail, usps priority mail express

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

• credit card: diners-club
• wallet: apple-pay
• other

returns watercraftimp:

• paid by: seller
• time: 30 days
• policy: returns accepted