NAMURA YZA42J5UM1 Piston Kit Comp 90.46 .5 11.3

( Brand: Namura ), ( Manufacturer Part Number: YZA42J5UM1 ), ( Type: Piston Kit ), ( California Prop 65 Warning: Warning, And Birth Defects Or Other Reproductive Harm. ), ( Item Weight: 0.6215 ), ( Length: 4.400 ), ( Package Quantity: Each )

Review NAMURA Piston Kit 90.46 .5 Over 11.3 Comp Suzuki fits DRZ400 STD 2000–2004

Introducing the Namura YZA42J5UM1 Piston Kit, specifically designed for Suzuki DR-Z400 models from the year 2000 to 2004. This piston kit is a must-have for motorcycle enthusiasts seeking top-notch performance and reliability.

The piston kit consists of high-quality forged pistons that are precision-engineered to deliver exceptional power and durability. Each piston is meticulously crafted using advanced manufacturing techniques to ensure superior strength and consistency. The pistons are also designed to provide optimal compression ratio of 11.3:1, making them an excellent choice for riders who demand superior engine performance.

The Namura YZA42J5UM1 Piston Kit also comes with piston rings that are designed to minimize friction and maximize sealing. These rings are made from high-temperature, low-friction materials that ensure optimal engine efficiency and longevity.

Moreover, this piston kit features a piston pin that is made from strong and durable material. The pin is also designed with a specific length and diameter to ensure proper fitment and function.

The Namura YZA42J5UM1 Piston Kit is also compatible with Suzuki DR-Z400 engines that conform to the 90.46 standard. This kit is an excellent replacement option for worn-out or damaged pistons, and it also offers an upgrade path for riders looking to enhance the performance of their motorcycle.

In summary, the Namura YZA42J5UM1 Piston Kit is a high-performance and reliable solution for Suzuki DR-Z400 owners. With its forged pistons, high-quality piston rings, and durable piston pin, this kit delivers exceptional power, efficiency, and longevity. Whether you're looking to restore your motorcycle to its former glory or take it to the next level, the Namura YZA42J5UM1 Piston Kit is the perfect choice.

Pros and Cons of buying a Namura YZA42J5UM1 Piston Kit for Suzuki DR-Z400 (00-04)

The Namura YZA42J5UM1 piston kit is a popular aftermarket option for Suzuki DR-Z400 motorcycles manufactured between 2000 and 2004. This piston kit, designed to provide improved performance and reliability, comes with its unique advantages and potential drawbacks. In this analysis, we will discuss both the pros and cons of buying a Namura YZA42J5UM1 piston kit.

1. Enhanced Performance: The Namura piston kit is designed to provide better compression, which can lead to improved performance, increased horsepower, and better torque. This can make your DR-Z400 more responsive, particularly in the mid-range RPMs.

2. Durability: The piston kit is made from high-quality materials, which can contribute to increased durability and longevity. This can save you money in the long run by reducing the need for frequent engine replacements or repairs.

3. Improved Engine Efficiency: The piston kit's improved compression can lead to better engine efficiency, reducing fuel consumption and improving overall fuel economy.

4. Customization: Aftermarket parts like the Namura piston kit offer an opportunity to customize your motorcycle to suit your specific riding style and preferences.

1. Cost: The Namura piston kit may be more expensive than the stock OEM piston kit. This could be a significant investment for some riders, particularly if they are on a tight budget.

2. Installation Complexity: Installing the Namura piston kit may require advanced mechanical skills. It is not a simple DIY project and may require the assistance of a professional mechanic.

3. Potential Compatibility Issues: While the Namura piston kit is designed to fit the Suzuki DR-Z400, there may be potential compatibility issues with certain engine configurations or modifications. It is essential to ensure that the piston kit is compatible with your specific motorcycle before making a purchase.

4. Potential Power Increase: The enhanced performance offered by the Namura piston kit may not be desirable for all riders. If you are using your DR-Z400 for commuting or off-roading, a more powerful engine may not be necessary, and the additional power could even be a hindrance.

In conclusion, the Namura YZA42J5UM1 piston kit offers several advantages, including enhanced performance, improved durability, better engine efficiency, and the opportunity for customization. However, it also comes with potential drawbacks, such as cost, installation complexity, potential compatibility issues, and the possibility of unnecessary power increase.

Ultimately, whether the Namura piston kit is a worthwhile investment for you depends on your individual needs, preferences, and budget. If you are looking for better performance, customization, and improved engine efficiency, the Namura piston kit may be an excellent choice. However, if you are on a tight budget, prefer a simpler installation process, or do not require the additional power, you may want to consider other options.

If you are considering purchasing the Namura YZA42J5UM1 piston kit for your Suzuki DR-Z400 (00-04), we recommend thoroughly researching the product and consulting with a professional mechanic to determine if it is the right choice for your specific motorcycle and riding style. Additionally, consider the potential costs, both financial and time-wise, associated with the installation process and any potential compatibility issues.

Details:

MOS2 Teflon/Molybdenum Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray coatings. Comes with the piston individually wrapped. Namura piston kits come with the individually wrapped; a set of OEM quality rings packed in their own box, wrist pin, and cir clips. OEM Replacement Numbers.

Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of piston. Item must be in original undamaged unopened packaging. Why replace your cylinder when you can the piston for a fraction of cost and time. Kit comes with one individually wrapped piston, set of OEM quality piston rings, a wrist pin, and cir clips.

Compatible Make. One Piston contained per kit. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%.

Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Contains OEM quality rings, a wrist pin, and cir clips. Use our shipping packaging to ship back the item, DO NOT tape label directly original manufacturers box. Any fitment provided is for US Spec model's.

Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. 2001 Suzuki DRZ400.

part #: yza42j5um1 price

• $97.65

specifications pistondon:

• for models: Drz400, Std
• for makes: Suzuki
• for years: 2000-2004
• brand: Namura
• mpn: Yza42j5um1
• type: Piston Kit
• california prop 65 warning: Warning, And Birth Defects Or Other Reproductive Harm.
• item weight: 0.6215
• length: 4.400
• package quantity: Each

offer pistondon:

• quantity: 4
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: September 16, 2025

shipping pistondon:

• service: Standard
• cost: $0.00
• transit: 3-7 Days
• type: Fixed
• class: Standard

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

seller pistondon:

• rating: 98.7%
• # reviews: 21245
• city: Parkersburg, West Virginia

returns pistondon:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

payments pistondon:

• other
• wallet: Paypal
• credit card: Diners-club

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