J.E. PISTONS MN-WXV7 Je Piston Kit Engine Ns MN/WXV7

( Brand: J.e. Pistons ), ( Manufacturer Part Number: MN/WXV7 ), ( Compatible Year: 2008 2007 ), ( Compatible Model: Yfz450 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/wxv7 Je Piston Kit Yamaha Engine Ns fits YFZ450 SE 2007–2008

Introducing the JE Pistons MN/WXV7 Je Piston Kit, specifically designed for the 2007-2008 Yamaha YFZ450 SE engine with NS cylinder head. This piston kit is an excellent upgrade for off-road enthusiasts and performance-driven riders seeking optimal engine power and efficiency.

The MN/WXV7 Je Piston Kit includes four high-performance forged pistons, each crafted from 2618-T6 aluminum alloy. This material ensures exceptional strength, durability, and consistent thermal expansion for unmatched reliability and longevity. Moreover, these pistons boast a compressive strength of 125,000 PSI, ensuring maximum power output from your engine.

Each piston features a unique dish design, optimized for the Yamaha YFZ450 SE engine's specific combustion chamber. The piston's dish shape and size are engineered to work in harmony with the engine's port design, resulting in improved combustion efficiency and increased power output.

The piston kit also includes JE's precision-engineered wrist pins, which are designed to minimize friction and ensure maximum pin retention. These pins are manufactured from chrome molybdenum steel and feature a proprietary coating for added durability and longevity.

Moreover, the MN/WXV7 Je Piston Kit comes with JE's renowned piston rings, including a compression ring, oil control ring, and two skirt rings. These rings are designed to minimize friction, improve sealing, and enhance overall engine performance. They are made from high-quality materials, ensuring a long service life and reliable operation.

The piston kit also includes a set of JE's top-quality piston pin locks, which provide an additional layer of security and help prevent piston pin failure. These locks are made from robust materials, ensuring they can withstand the rigors of off-road riding while maintaining a snug fit on the piston.

In conclusion, the JE Pistons MN/WXV7 Je Piston Kit is an excellent choice for riders who want to extract the maximum performance from their 2007-2008 Yamaha YFZ450 SE engine. With its high-strength forged pistons, optimized dish design, precision-engineered wrist pins, top-quality piston rings, and robust piston pin locks, this kit delivers unmatched power, efficiency, and reliability. Upgrade your engine today and experience the difference with JE Pistons.

Pros and Cons of Buying JE Piston Kit for 2007-2008 Yamaha YFZ450 SE Engine (NS)

a. Enhanced Performance: JE pistons are known for their high-performance capabilities. This kit can help improve the engine's power output and efficiency.

b. Durability: JE pistons are made from forged material, making them more robust and resilient compared to stock pistons. They can handle higher compression ratios and extreme conditions.

c. Customizability: This kit allows you to tailor the pistons to your specific engine setup and riding style. You can choose from different compression ratios and ring packages to optimize engine performance.

a. Cost: JE piston kits can be more expensive than stock or aftermarket pistons. This may not be an ideal choice for those on a tight budget.

b. Installation Complexity: Installing the JE piston kit requires a high level of expertise and precision. It is recommended to have the kit installed by a professional mechanic to avoid any potential issues.

The JE piston kit for the 2007-2008 Yamaha YFZ450 SE engine (NS) can offer significant performance improvements and increased durability. However, its high cost and installation complexity may be deterrents for some riders. Ultimately, the decision to purchase this kit depends on your budget and your desire for enhanced engine performance.

If you're an avid off-road rider looking to extract the most performance from your Yamaha YFZ450 SE engine, the JE piston kit could be a worthwhile investment. However, if you're on a tight budget or not comfortable with the installation process, you may want to consider other options or consult with a professional mechanic before making a decision.

part # mnwxv7 price

• $309.99

specifications atvsienna:

• for models: Yfz450, Se
• for makes: Yamaha
• for years: 2007-2008
• brand: J.e. Pistons
• manufacturer part number: MN/WXV7
• compatible year: 2008 2007
• compatible model: Yfz450 Se
• bundle description: 1 Pc Genuine Je Pistons Piston Kit
• type: Piston Kit
• core charge: Free No Core Charge
• fitment type: Direct Replacement

general atvsienna:

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

seller atvsienna:

• rating: 98.8%
• # reviews: 17822

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offer atvsienna:

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

returns atvsienna:

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

shipping atvsienna:

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• type: Fixed
• transit: 4-6 Days
• cost: $0.00
• class: Standard

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