YA760PWCNTERK841 NAMURA Waverunner Top End Rebuild Pistons

Review NAMURA Yamaha Waverunner Xl 760 Top End Rebuild Pistons Gaskets 84mm for YAMAHA 1998–1999

Introducing the Namura Ya760PWCNterK841 piston and gasket set, specifically designed for the Yamaha Waverunner XL 760 engine models from 1998 and 1999. This top-end rebuild kit is an essential component for those seeking to restore the performance and efficiency of their watercraft engine.

The set includes four new pistons, each precision-engineered with a diameter of 84mm and a compression height of 38.5mm. The pistons are crafted using high-tensile aluminum alloy to ensure strength, durability, and excellent thermal conductivity. Each piston features a full-skirt design to minimize friction and improve engine efficiency.

Additionally, the kit includes four new gaskets, essential for creating a seal between the engine components. These gaskets are made with a high-quality, heat-resistant material that can withstand the extreme temperatures and pressures within the engine. The gaskets are designed to provide a perfect seal, preventing leaks and ensuring optimal engine performance.

The Namura Ya760PWCNterK841 piston and gasket set is an excellent investment for watercraft enthusiasts seeking to maintain their Yamaha Waverunner XL 760 engines in prime condition. The kit provides an opportunity to replace worn-out components, prevent potential engine failures, and improve overall engine performance.

Installing the piston and gasket set is a straightforward process, best performed by a qualified mechanic or experienced DIYer. The set comes with clear instructions to guide you through the process, ensuring a smooth and successful installation. With the Namura Ya760PWCNterK841 piston and gasket set, you can enjoy the reliability, power, and efficiency of your Yamaha Waverunner XL 760 engine for years to come.

Buying new pistons and gaskets for a 1998-1999 Yamaha Waverunner XL 760 with a top-end rebuild can be a cost-effective solution for those looking to extend the life of their watercraft engine. Below are some pros and cons to consider before making a purchase.

1. Cost-effective: A top-end rebuild using new pistons and gaskets is often less expensive than purchasing a new engine or even a used one.

2. Improved engine performance: New pistons and gaskets can result in improved engine performance by ensuring a proper seal and reducing the risk of leaks or other issues.

3. Increased reliability: A top-end rebuild can help increase the overall reliability of the engine, allowing for longer periods of use without the need for frequent repairs.

1. Time-consuming: A top-end rebuild can be a time-consuming process, requiring the removal of the engine from the watercraft and the disassembly of various components.

2. Skill level: Performing a top-end rebuild requires a certain level of mechanical skill and experience. If you're not confident in your ability to complete the process yourself, it may be worth considering hiring a professional.

3. Potential for hidden issues: During the rebuild process, it's possible to discover hidden issues that may require additional repairs or parts.

A top-end rebuild using new pistons and gaskets for a 1998-1999 Yamaha Waverunner XL 760 can be a cost-effective and reliable solution for extending the life of the engine. However, the process can be time-consuming and requires a certain level of mechanical skill. It's important to carefully consider the potential cons before making a purchase.

If you're comfortable with the time and effort required for a top-end rebuild, purchasing new pistons and gaskets can be a cost-effective way to improve the performance and reliability of your Yamaha Waverunner XL 760. Alternatively, you may want to consider hiring a professional to complete the process for you. If you're unsure about your ability to complete the rebuild yourself or if you'd prefer a more straightforward solution, you may want to explore other options such as purchasing a new engine or a used one in good condition.

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. 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.

High-silicon content hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. Piston are for the standard bore 84mm, actual size of pistons is 83.91mm. Brand new Namura top end engine rebuild kit. Made to meet or exceed oem specifications.

Includes 2 pistons, rings, wrist pins, cir clips, pin bearings, and a top end gasket kit.

specifications watercraftimp:

• for makes: Yamaha
• for years: 1998–1999
• brand: Namura
• mpn: Ya760pwcnterk841
• part type: Gasket Piston
• engine type: 2-stroke
• oe/oem part number: 64x-11631-00-91, 65u-11631-00-89, 65u-11631-02-90
• piston size: 83.91mm
• piston material: Hypereutectic Cast Aluminum
• country/region of manufacture: Taiwan
• cylinder bore size: Standard Bore 84mm

seller watercraftimp:

• # reviews: 5707
• city: traverse city, michigan
• rating: 99.5%

offer watercraftimp:

• options: ship-to-home
• sold #: 29
• started: april 5, 2025
• prices: $62.99–$284.89
• item condition:
  • New
  • New other (see details)
• availability: in stock
• in stock #: 5

returns watercraftimp:

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

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

payments watercraftimp:

• other
• wallet: apple-pay
• credit card: discover

shipping watercraftimp:

• type: fixed
• service: usps ground advantage, usps priority mail, usps priority mail express
• transit: 4-7 days
• class: standard, expedited
• carrier: usps