5833-N324186-73 NAMURA TECHNOLOGIES Piston Standard Kit JS300

Review NAMURA TECHNOLOGIES Piston Kit-standard Bore 76.00mm For Kawasaki for KAWASAKI JS300 300SX 1987–1991

Introducing the Namura 5833-N324186-73 piston kit, specifically designed for the Kawasaki JS300 and JS300SX models produced between 1987 and 1991. This piston kit is an essential upgrade for any motorcycle enthusiast looking to enhance the performance of their engine or extend its lifespan.

Each piston in this kit is meticulously crafted using high-quality forged aluminum alloy. The forging process ensures superior strength and durability, enabling the pistons to withstand the rigors of high-performance riding. Furthermore, these pistons come with an optimized piston crown design that enhances combustion efficiency and power output.

The piston kit also includes new rings, which are crucial for sealing the combustion chamber and preventing engine oil from entering the cylinder. These rings are made from nitrided steel, ensuring a longer service life and improved sealing performance.

Additionally, this piston kit comes with new piston pins and wrist pin bushings. The piston pins are made of chrome-molybdenum steel, providing excellent strength and resilience against wear. Meanwhile, the wrist pin bushings are made from bronze, which offers superior wear resistance and helps maintain the piston's correct position within the cylinder.

Installing this piston kit is a straightforward process, thanks to its standard 76.00mm bore size. The kit includes detailed instructions to guide you through the installation process. Moreover, the pistons are precision-balanced to minimize vibration and ensure smooth engine operation.

In summary, the Namura 5833-N324186-73 piston kit is an excellent investment for any Kawasaki JS300 or JS300SX owner seeking to improve their engine's performance or extend its service life. With its high-quality materials, optimized design, and easy installation, this piston kit is the perfect choice for riders who demand the best from their motorcycles.

Piston Kit Upgrade for 1987-1991 Kawasaki JS300/300SX: A Closer Look at the Namura 5833-N324186-73

The Namura 5833-N324186-73 piston kit is a popular aftermarket option for upgrading the standard pistons in 1987-1991 Kawasaki JS300 and 300SX engines. This article aims to provide a balanced assessment of the advantages and disadvantages of investing in this piston kit, based on available information and user reviews.

1. Enhanced Performance: Users have reported noticeable improvements in engine performance, such as increased horsepower, torque, and overall power delivery.

2. Durability: The Namura piston kit is designed to handle higher compression ratios and increased engine stress, potentially extending the engine's lifespan.

3. Customization: This piston kit offers an opportunity for enthusiasts to personalize their motorcycles, as it is not a stock or factory component.

4. Availability: The Namura piston kit is relatively easy to find and purchase, with a wide range of dealers and online retailers offering the part.

1. Cost: The Namura piston kit may be more expensive than stock or OEM pistons, which could be a deterrent for some buyers.

2. Installation Complexity: Installing the piston kit requires a significant amount of time, expertise, and resources, making it a less attractive option for those who are not mechanically inclined or do not have access to a well-equipped workshop.

3. Risk of Engine Damage: There is a potential risk of engine damage if the installation is not carried out correctly, which could result in expensive repairs or even a total engine replacement.

The Namura 5833-N324186-73 piston kit is an attractive option for Kawasaki JS300 and 300SX enthusiasts seeking improved engine performance and durability. However, the investment comes with a higher cost, installation complexity, and the risk of potential engine damage if not installed correctly. Ultimately, the decision to purchase this piston kit depends on an individual's priorities, resources, and expertise.

If you are an experienced motorcycle mechanic or enthusiast with the necessary resources, the Namura piston kit could be a worthwhile investment for your 1987-1991 Kawasaki JS300 or 300SX. However, if you lack the necessary expertise or resources, it may be advisable to consider alternative performance upgrades or consult a professional mechanic before making the decision to purchase and install the piston kit.

Details:

Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures, machined smooth heads - reflects combustion reduces carbon buildup, protecting the top of piston. Parts without fitment are to be assumed universal and may require vehicle modification.: brand: Namura technologies, model number: 5833-N324186-73. This is helpful if you are buying multiple items.

Namura piston kit-standard bore 76.00mm for 1987 - 1991 Kawasaki JS300 300SX: mos2 Teflon/molybdenum coated skirts - a rolled on application process provides a bond that is 10 times stronger than other spray coatings. Compatibility: years: make: model: application: notes: 1987 - 1993 Kawasakijs650 650sx, 1991 Kawasakijs300 300SX, 1991 1995 Kawasakijl650 SC, 1989 1996 Kawasakijf650 ts, 1986 1995 Kawasakijf650 x2. I need to exchange an item.

specifications watercraftimp:

• for models: Js300, 300sx
• for makes: Kawasaki
• for years: 1987–1991
• brand: Namura Technologies
• mpn: 5833-n324186-73
• part type: Piston

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• category: Watercraft Parts > Engines > Impellers Components

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• # reviews: 83468
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offer watercraftimp:

• in stock #: 1
• sold #: 15
• options: ship-to-home
• availability: in stock
• started: april 20, 2026
• price: $64.18
• item condition: New