J.E. PISTONS MN-07S5 Je Piston Kit Engine Rg MN/07S5

( Brand: J.e. Pistons ), ( Manufacturer Part Number: MN/07S5 ), ( Compatible Model: Yfz450x 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/07s5 Je Piston Kit Yamaha Engine Rg fits YFZ450X SE 2011

Introducing the JE Pistons MN/07S5 Je Piston Kit, specifically designed for the 2011 Yamaha YFZ450x SE engine. This piston kit is an excellent upgrade for off-road enthusiasts looking to enhance the performance of their YFZ450x SE.

The MN/07S5 piston kit is manufactured using JE Pistons' state-of-the-art technology and advanced materials. The pistons are forged from 2618-T6 aluminum alloy, providing superior strength and durability. The piston crowns are designed with a dish shape and a domed top ring land, ensuring optimal combustion efficiency and power output.

The piston skirts are nitrided for added strength and protection against scuffing. The pistons also feature a wrist pin bore size of 0.625 inches and a piston pin size of 0.120 inches. The piston kit includes pistons, piston pins, piston rings, and clips.

The JE Pistons MN/07S5 Je Piston Kit is designed to work seamlessly with the stock connecting rods. However, for those who want to take their engine build to the next level, JE Pistons also offers matching connecting rods.

Installing the MN/07S5 piston kit is a straightforward process and can be completed with basic hand tools. The pistons are designed to fit perfectly in the engine, ensuring a smooth and hassle-free installation.

Upgrading to the JE Pistons MN/07S5 Je Piston Kit is an investment in the long-term health and performance of your Yamaha YFZ450x SE engine. With increased power output, improved combustion efficiency, and enhanced durability, this piston kit is a must-have for serious off-road riders. Whether you're racing, riding for fun, or pushing the limits of your machine, the MN/07S5 piston kit from JE Pistons is the perfect upgrade for your 2011 Yamaha YFZ450x SE.

The JE Pistons MN/07S5 piston kit for a 2011 Yamaha YFZ450x SE engine can be a worthwhile investment for certain riders. Here are some potential pros and cons to consider before making a decision.

1. Enhanced Performance: JE Pistons are known for their high-performance pistons. This kit can help improve engine power and torque, which can result in better acceleration and top speed.

2. Durability: JE Pistons use premium materials and advanced manufacturing processes to create pistons that are stronger and more durable than OEM pistons. This can help extend engine life and reduce the need for frequent piston replacements.

3. Customizability: JE Pistons offers various piston designs to suit different riding styles and performance goals. This kit can be a good option for riders who want to optimize their engine for specific conditions or applications.

1. Cost: JE Pistons are more expensive than OEM pistons. This kit may not be a cost-effective option for budget-conscious riders.

2. Installation Complexity: Installing aftermarket pistons requires specialized tools and knowledge. It may be necessary to hire a professional mechanic or engine builder to install the kit properly.

3. Risk of Engine Damage: Installing aftermarket pistons carries some risk of engine damage if not done correctly. improper installation or use of incorrect parts can result in engine seizure or other costly damage.

The JE Pistons MN/07S5 piston kit for a 2011 Yamaha YFZ450x SE engine can provide significant performance and durability benefits for serious off-road riders. However, it comes with a higher cost, installation complexity, and potential engine damage risks. Riders should carefully consider their budget, riding goals, and installation capabilities before deciding to purchase this kit.

If you are a serious off-road rider looking for improved engine performance and durability, the JE Pistons MN/07S5 piston kit may be a worthwhile investment. However, it is recommended to consult with a professional mechanic or engine builder to ensure proper installation and minimize the risk of engine damage. Additionally, be prepared for the higher cost and installation complexity that comes with aftermarket pistons.

part # mn07s5 prices

• $14.98-$27.25

specifications atvsienna:

• for models: Yfz450x, Se
• for makes: Yamaha
• for years: 2011
• brand: J.e. Pistons
• manufacturer part number: MN/07S5
• compatible model: Yfz450x 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:

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

offer atvsienna:

• quantity: 1
• availability: In Stock
• options: Ship-to-home
• started: February 23, 2026
• sold: 0

shipping atvsienna:

• class: Standard
• transit: 3-6 Days
• cost: $0.00
• type: Fixed
• service: Standard

seller atvsienna:

• # reviews: 17824
• rating: 98.8%

returns atvsienna:

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

payments atvsienna:

• credit card: Mastercard
• wallet: Google-pay
• other

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