J.E. PISTONS MN-Z04V Je Piston Kit Engine MN/Z04V

( Brand: J.e. Pistons ), ( Manufacturer Part Number: MN/Z04V ), ( Compatible Year: 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 ), ( Compatible Model: Yfz450r Se ), ( Bundle Description: 1 Pc Genuine Je Pistons Piston Kit ), ( Type: Piston Kit ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review J.E. PISTONS Mn/z04v Je Piston Kit Yamaha Engine fits YFZ450R SE KX 2009–2019

Introducing the JE Pistons MN/Z04V Je Piston Kit, a high-performance solution designed specifically for the Yamaha YFZ450R SE engine, model years 2009 to 2019, and the KX450F model year 2010. This piston kit, manufactured by JE Pistons, is an excellent choice for riders seeking increased power, reliability, and durability.

Each forged piston in this kit is crafted from 2618-T6 aluminum alloy, ensuring superior strength and heat resistance. The piston design features a centrally located spiger ring groove for optimal ring sealing, while the crown design optimizes piston-to-wall clearance for efficient combustion. The piston skirt is engineered with a full-length, shot-peened, chrome molybdenum steel gudgeon pin to provide rigidity and durability.

The JE Pistons MN/Z04V Je Piston Kit also includes lightweight, forged connecting rods, and high-performance piston pins made of chrome molybdenum material. These components provide optimal strength and durability, ensuring the engine can withstand the rigors of off-road racing.

The piston kit is also designed to work seamlessly with aftermarket camshafts and valve trains, making it an excellent choice for riders looking to further enhance the performance of their Yamaha YFZ450R SE or KX450F engine. Additionally, JE Pistons offers a range of piston-to-stroker kit options, allowing riders to increase their engine displacement for even more power.

By upgrading to the JE Pistons MN/Z04V Je Piston Kit, you can expect increased horsepower and torque, improved engine response, and enhanced overall engine performance. This piston kit is backed by JE Pistons' industry-leading warranty, providing peace of mind and confidence in your off-road riding experience.

In summary, the JE Pistons MN/Z04V Je Piston Kit is a top-tier, high-performance solution for the Yamaha YFZ450R SE engine (2009-2019) and the KX450F engine (2010). With its forged pistons, lightweight connecting rods, and high-strength components, this kit delivers increased power, reliability, and durability, making it the perfect upgrade for serious off-road riders.

The JE Pistons MN/Z04V JE piston kit is a popular aftermarket option for the 2009-2019 Yamaha YFZ450R SE engine (also known as the KX450F). Here are some pros and cons to help you make an informed decision about whether or not to purchase this piston kit:

1. Enhanced Performance: JE pistons are known for their high-performance design, which can help increase horsepower and torque in your engine.

2. Durability: JE pistons are made from forged material, which is stronger and more durable than stock pistons, allowing for better reliability and longer engine life.

3. Customization: JE pistons offer various options for piston size, compression ratio, and other performance features, allowing riders to fine-tune their engine for their specific riding style and track conditions.

4. Improved Thermal Efficiency: JE pistons are designed with advanced cooling features, which can help reduce engine temperatures and improve overall engine performance.

1. Cost: JE pistons are more expensive than stock pistons, making them a significant investment for riders.

2. Installation: Installing aftermarket pistons can be a complex process and may require professional assistance to ensure proper installation and tuning.

3. Potential Engine Damage: Installing aftermarket pistons incorrectly or using the wrong piston for your engine can result in engine damage or even total engine failure.

The JE Pistons MN/Z04V JE piston kit can provide significant performance benefits for the Yamaha YFZ450R SE engine, including increased horsepower, improved durability, and customization options. However, the cost and installation complexities can be a significant drawback for some riders. It is important to carefully consider the benefits and potential risks before making a purchase and to work with a qualified technician for installation to minimize the risk of engine damage.

If you are looking to significantly improve the performance of your Yamaha YFZ450R SE engine and are willing to invest in the cost and installation process, the JE Pistons MN/Z04V JE piston kit is a solid choice. However, if you are on a budget or are not comfortable with the complexities of installing aftermarket pistons, it may be worth considering other performance modifications or sticking with stock pistons. Ultimately, the decision is up to the individual rider and their specific goals and budget for their machine.

part # mnz04v price

• $309.99

specifications atvsienna:

• for models: Yfz450r, Se, Kx
• for makes: Yamaha
• for years: 2009-2019
• brand: J.e. Pistons
• manufacturer part number: MN/Z04V
• compatible year: 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009
• compatible model: Yfz450r Se
• bundle description: 1 Pc Genuine Je Pistons Piston Kit
• type: Piston Kit
• core charge: Free No Core Charge
• fitment type: Direct Replacement

shipping atvsienna:

• cost: $0.00
• type: Fixed
• service: Standard
• class: Standard
• transit: 3-5 Days

payments atvsienna:

• wallet: Paypal
• other
• credit card: Mastercard

returns atvsienna:

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

offer atvsienna:

• quantity: 1
• sold: 0
• started: February 22, 2026
• options: Ship-to-home
• availability: In Stock

general atvsienna:

• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts
• condition: New

seller atvsienna:

• # reviews: 17823
• rating: 98.8%

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