YA1200WRNPK804 NAMURA Jet Boat Piston XR1800 Xr Std Yamaha

Review NAMURA Yamaha 1800 Jet Boat Piston Kits 80mm Stock Bore for YAMAHA XR1800 XR STD 2000–2001

Introducing the Namura Ya1200WRNPK804 piston for the Yamaha XR1800 jet boat engine, a superior replacement option for boat owners seeking peak performance and reliability. Manufactured by the renowned Japanese aftermarket manufacturer Namura, this piston is designed specifically for the Yamaha XR1800 engines produced between the years 2000 and 2001, carrying part numbers XR1800-80MM-STD.

The Ya1200WRNPK804 piston is meticulously crafted using high-quality materials and advanced manufacturing techniques to ensure a perfect fit and optimal engine performance. This piston is engineered with a 80mm bore size, making it an ideal upgrade for those seeking increased power and efficiency.

The piston crown is finished with a state-of-the-art Nano-Tech coating that reduces friction and heat transfer, resulting in longer piston life and improved engine efficiency. The piston skirt features a cutting-edge design that minimizes piston slap and ensures a tight seal within the engine cylinder, leading to reduced engine noise and improved power delivery.

The Ya1200WRNPK804 piston is also engineered with a lightweight yet strong design, utilizing advanced alloys to ensure durability and resistance to engine stresses. This results in reduced weight, which in turn leads to improved engine response and acceleration.

Installing the Namura Ya1200WRNPK804 piston is a straightforward process, requiring only standard tools and a reasonable level of mechanical aptitude. The piston comes complete with all necessary hardware and detailed installation instructions to ensure a trouble-free installation.

In summary, the Namura Ya1200WRNPK804 piston is an exceptional upgrade for the Yamaha XR1800 jet boat engine, offering enhanced performance, durability, and reliability. Whether you're a seasoned boat owner or a newcomer to the world of jet boats, this piston is an investment that will pay dividends in terms of power, efficiency, and overall engine life.

The Namura Ya1200WRNPK804 piston is a part used in the Yamaha XR1800 jet boat model for years 2000 and 2001. Here are some pros and cons that might help in making a decision regarding its purchase:

1. OEM Part: This piston is an original equipment manufacturer (OEM) part produced by Namura, ensuring a perfect fit and compatibility with the Yamaha XR1800.

2. High Quality: Namura is a reputed manufacturer of marine engine parts, known for producing high-quality components.

3. Durability: This piston is specifically designed for the demanding marine environment, offering excellent durability.

4. Availability: The Namura piston is readily available from various marine parts suppliers, making it easily accessible.

1. Cost: OEM parts can often be more expensive than aftermarket alternatives.

2. Limited Lifetime: Despite its durability, a piston is still a wearable part and will eventually need to be replaced.

3. Installation: Installing a piston requires specialized knowledge and tools, making it a job best left to a professional.

The Namura Ya1200WRNPK804 piston is a reliable and high-quality option for those in need of a replacement for their Yamaha XR1800 jet boat. While it may come with a higher cost, the peace of mind and assurance of a perfect fit make it a worthwhile investment.

If you are in need of a piston for your Yamaha XR1800 jet boat, it is recommended to consider purchasing the Namura Ya1200WRNPK804 piston. It offers excellent compatibility, durability, and is produced by a reputed manufacturer in the marine engine industry. However, it is important to keep in mind that installation should be performed by a qualified professional.

Details:

Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy. Pistons are for the standard bore 80mm, actual size of pistons is 79.92mm. High-silicon content hyper eutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing. High-quality cast pistons are 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. 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, and cir clips. Made to meet or exceed oem specifications.

specifications watercraftimp:

• for models: Xr1800, Xr, Std
• for makes: Yamaha
• for years: 2000–2001
• brand: Namura
• mpn: Ya1200wrnpk804
• part type: Jet Piston
• non-domestic product: No
• piston type: Cast Aluminum, Dual Ring
• piston diameter: 79.92mm
• cylinder bore diameter: 80mm
• country of origin: Taiwan

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

shipping watercraftimp:

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

offer watercraftimp:

• in stock #: 1
• sold #: 15
• started: march 30, 2026
• options: ship-to-home
• availability: in stock
• price: $184.77
• item condition: New

payments watercraftimp:

• credit card: visa
• wallet: paypal
• other

seller watercraftimp:

• rating: 99.8%
• city: traverse city, michigan
• # reviews: 8709

returns watercraftimp:

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