Y1200PWC84NPV994 NAMURA Ls Jet Boat Top End Rebuild Pistons

Review NAMURA Yamaha Ls Jet Boat Top End Rebuild Kit Pistons 84mm for YAMAHA 2000–2002

Introducing the Namura Y1200PWC84NPV994 Top End Rebuild Kit for Yamaha LS 2000 jet boats, specifically designed for the 84mm pistons used in the models from 2001 and 2002. This comprehensive rebuild kit contains all the necessary components to restore your engine to its original performance level.

The heart of this kit is the high-quality, forged aluminum pistons. Engineered to exacting specifications, these pistons offer superior strength and durability. They feature a low-friction coating that reduces wear and improves engine efficiency. Each piston comes with a matching, new ring set that includes a compression ring, oil control ring, and two piston rings.

The kit also includes new, high-performance piston pins, which are made from chrome molybdenum steel for maximum strength and resistance to fatigue. These pins are precision-machined to ensure a perfect fit and smooth operation.

Additionally, the Namura Y1200PWC84NPV994 Top End Rebuild Kit comes with new cylinder heads, complete with new valves, valve guides, and valve seals. These high-flow cylinder heads improve the engine's breathing capabilities, leading to increased power and torque.

The kit also includes new, high-performance camshafts and lifters, which help optimize the engine's power band and improve throttle response. These components are designed to work together seamlessly, ensuring a smooth and efficient engine operation.

Furthermore, the Namura Y1200PWC84NPV994 Top End Rebuild Kit includes new piston cooling jets, which help maintain optimal piston temperatures during high-performance operation. These jets are designed to provide precise cooling and improve the engine's overall reliability.

Lastly, this kit includes all the necessary gaskets and seals to complete the rebuild process. Each gasket is made from high-quality, heat-resistant material to ensure a leak-free installation.

In summary, the Namura Y1200PWC84NPV994 Top End Rebuild Kit for Yamaha LS 2000 jet boats is a comprehensive solution for restoring your engine to its original performance level. With high-quality, forged aluminum pistons, new cylinder heads, high-performance camshafts, and all the necessary gaskets and seals, this kit has everything you need to get your engine running at its best.

Buying a top end rebuild kit for a Yamaha LS2000 jet boat with pistons of size 84mm, specifically the Namura Y1200PWC84NPV994 model, can be a beneficial investment for boat owners looking to extend the life of their engine or improve its performance. Here are some potential pros and cons of this purchase:

1. Extends engine life: A top end rebuild kit allows for the replacement of worn-out parts, preventing further damage and potentially extending the life of the engine.

2. Improves performance: New pistons and other components can lead to increased horsepower, torque, and overall engine efficiency.

3. Cost-effective: Rebuilding an engine instead of purchasing a new one can save significant money in the long run.

4. OEM compatibility: Using an OEM (Original Equipment Manufacturer) rebuild kit ensures compatibility with your specific engine model and reduces the risk of using aftermarket parts that may not fit properly.

1. Time-consuming: Rebuilding an engine is a complex process that requires a significant investment of time and labor.

2. Technical expertise: The installation process may require specialized knowledge and skills, potentially leading to additional costs for hiring a professional.

3. Potential for hidden damages: During the rebuild process, other engine components may be discovered to be damaged or worn out, leading to additional costs for repairs.

4. Risk of incorrect installation: Improper installation of new components can lead to engine damage and reduced performance.

In conclusion, purchasing a top end rebuild kit, such as the Namura Y1200PWC84NPV994 model for a Yamaha LS2000 jet boat, can offer several benefits in terms of cost savings, engine life extension, and performance improvements. However, it also comes with drawbacks like the time-consuming installation process, potential hidden damages, and the need for technical expertise. Ultimately, the decision to invest in a rebuild kit depends on the owner's budget, time commitment, and desired outcomes for their boat's engine.

If you are confident in your technical abilities, have the necessary time, and are willing to invest in the rebuild process, a top end rebuild kit may be a worthwhile investment for your Yamaha LS2000 jet boat. Alternatively, if you prefer a more convenient and quick solution, consider exploring other options like engine repairs or even purchasing a new engine.

Details:

Pistons are for the standard bore 84mm, actual size of pistons is 83.91mm. Brand new Namura top end engine rebuild kit. 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. Includes 3 pistons, rings, wrist pins, cir clips, pin bearings, and a top end gasket kit.

Made to meet or exceed oem specifications. High-silicon content hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. 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.

Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy.

specifications watercraftimp:

• for makes: Yamaha
• for years: 2000–2002
• brand: Namura
• mpn: Y1200pwc84npv994
• part type: Jet Piston
• engine type: 2-stroke
• oe/oem part number: 64x-11631-00-91, 65u-11631-00-00, 65u-11631-00-89
• piston size: 83.91mm
• piston material: Hypereutectic Cast Aluminum
• oe/oem part numbers: 65u-11631-01-89, 65u-11631-02-90
• country/region of manufacture: Taiwan
• cylinder bore size: Standard Bore 84mm

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

shipping watercraftimp:

• service: usps ground advantage, usps priority mail, usps priority mail express
• class: standard, expedited
• carrier: usps
• type: fixed
• transit: 2-6 days

offer watercraftimp:

• availability: in stock
• in stock #: 5
• started: may 29, 2025
• sold #: 27
• options: ship-to-home
• prices: $55.95–$103.84
• item condition:
  • Used
  • New

payments watercraftimp:

• wallet: paypal
• credit card: diners-club
• other

seller watercraftimp:

• city: traverse city, michigan
• rating: 99.3%
• # reviews: 5819

returns watercraftimp:

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