JE PISTONS 345193 Piston Kit Compression 80MM 11.5

( Brand: Je Pistons ), ( Manufacturer Part Number: 345193 ), ( Part Type: Piston Compression )

Review JE PISTONS Piston Kit 80mm For Yamaha 11.5 Compression

The JE Pistons 345193 piston kit is specifically designed for Yamaha engines with an 80mm bore and 11.5:1 compression ratio. This high-performance piston kit is engineered to deliver superior power and durability for racing and high-performance applications.

Each piston in this kit is meticulously crafted from forged 2618-T6 aluminum alloy. This material offers exceptional strength and rigidity, ensuring the pistons can withstand the extreme forces generated during high-performance driving. The piston skirts are treated with JE's proprietary Diamond-Like Carbon (DLC) coating. This advanced coating reduces friction and wear, providing longer piston life and improved engine efficiency.

The piston crowns are designed with a dish shape that optimizes combustion chamber volume and pressure. The crowns are also machined with a honed surface finish, ensuring a precise fit in the engine cylinder. The piston tops are designed to work with Yamaha's stock or aftermarket performance cylinder heads.

The pistons feature a floating wrist pin design, which allows the piston to move freely within the connecting rod bore. This design reduces friction and improves engine power and efficiency. The pistons are also equipped with JE's patented Pro-Fit rings, which provide a perfect seal between the piston and the cylinder wall. These rings are made from high-quality, heat-resistant materials and are designed to last longer than standard piston rings.

The JE Pistons 345193 piston kit includes eight pistons, eight connecting rods, and eight piston pins. The kit also includes new piston rings and ring end gaps. The pistons are precision-machined to ensure they meet JE's exacting standards for fit, finish, and performance.

In summary, the JE Pistons 345193 piston kit is a high-quality, high-performance solution for Yamaha engines with an 80mm bore and 11.5:1 compression ratio. This kit is designed to deliver superior power, durability, and efficiency, making it an excellent choice for racing and high-performance applications. With its forged aluminum alloy construction, DLC piston skirt coating, floating wrist pin design, and Pro-Fit rings, this piston kit is engineered to provide exceptional performance and reliability.

Pros and Cons of Buying Je Pistons 345193 Piston Kit for Yamaha 11.5: Compression

Buying aftermarket piston kits is a common practice among motorcycle enthusiasts to enhance engine performance. In this analysis, we will discuss the Je Pistons 345193 piston kit designed for Yamaha engines with an 11.5:1 compression ratio and a 80mm bore size.

A. High-quality materials: Je Pistons uses top-grade materials like forged aluminum alloy for their pistons, ensuring durability and strength.

B. Improved power and performance: With a higher compression ratio, the piston kit can help extract more power from the engine, leading to better acceleration and top speed.

C. Enhanced engine lifespan: The piston kit can contribute to a longer engine lifespan by reducing stress and heat on the engine components.

A. Installation complexity: Installing a piston kit requires considerable expertise and experience. It is recommended to use professional assistance to ensure proper installation and alignment.

B. Expense: Aftermarket piston kits can be relatively expensive compared to stock parts. The Je Pistons 345193 kit may not be an exception.

C. Risk of engine damage: Improper installation or use of the wrong piston kit can lead to engine damage, potentially requiring costly repairs.

The Je Pistons 345193 piston kit offers several advantages, such as high-quality materials, improved power and performance, and a potential longer engine lifespan. However, it also comes with some drawbacks, like installation complexity, expense, and the risk of engine damage if not installed correctly.

If you are considering purchasing the Je Pistons 345193 piston kit for your Yamaha engine, ensure you have the necessary expertise and resources for installation. Consult a professional mechanic or engine builder to assess the feasibility and benefits of this upgrade for your specific motorcycle application. Additionally, consider the cost-benefit analysis and the potential risks before making your purchase.

Details:

Whether you're rebuilding or upgrading your Yamaha engine, this piston kit delivers the reliability and performance expected from JE Pistons, a trusted name in high-performance engine components. Crafted from 2618-T6 high-tensile forged aluminum, this piston kit offers exceptional strength and durability for demanding applications. The precise machining and material selection ensure consistent performance longevity under intense engine conditions. JE Pistons Piston Kit 80mm for Yamaha 345193 with 11.5:1 Compression Ratio: The Kit, part number 345193, is engineered high-performance engines requiring precise and reliable components.

Each component in the kit is meticulously manufactured USA, adhering to strict quality standards. Features: Made from 2618-T6 high-tensile forged aluminum for strength and durability. Includes Pistons, wrist pin, cir clip, and rings for complete assembly. Some items pictured may not be included.

The 80mm piston with an 11.5:1 compression ratio enhances power output and efficiency, making it suitable for competitive racing or high-performance recreational riding. Manufactured in the USA to uphold quality standards. No other parts are included or can be substituted, selected, changed. Actual product may vary from picture.

Designed with smooth flowing radii on the dome/dish for optimal airflow.

part #: 345193 prices

• $755.99-$839.99

specifications pistondon:

• for makes: Yamaha
• brand: Je Pistons
• mpn: 345193
• part type: Piston Compression

general pistondon:

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

offer pistondon:

• quantity: 3
• sold: 0
• started: February 19, 2026
• options: Ship-to-home
• availability: In Stock

payments pistondon:

• wallet: Paypal
• credit card: Mastercard
• other

shipping pistondon:

• type: Fixed
• transit: 2-6 Days
• cost: $12.99
• class: Standard
• service: Standard

seller pistondon:

• # reviews: 47213
• city: Danville, Virginia
• rating: 99.6%

returns pistondon:

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

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