WISECO 4986M07700 Piston Kit Standard Compression 76.95MM 13.5

( Brand: Wiseco ), ( Manufacturer Part Number: 4986M07700 ), ( Part Type: Piston Compression )

Review WISECO Piston Kit Standard Bore 76.95mm 13.5 Compression

The WiseCo 4986M07700 piston kit is a high-performance upgrade for standard engines with a 76.95mm bore and 13.5:1 compression ratio. This piston kit is designed to deliver enhanced power, improved reliability, and increased durability for your engine.

Each piston in this kit is forged from high-strength aluminum alloy. Forged pistons offer superior strength and rigidity compared to cast pistons, ensuring they can withstand the increased loads and pressures of high-performance applications. The piston crowns are optimized for a better gas flow, which in turn allows the engine to breathe more efficiently.

The piston skirts are designed with a full-floating, pin-bushing design. This design allows the piston to move more freely in the cylinder bore, reducing friction and promoting smooth engine operation. The piston pins are made from high-strength steel, ensuring they can handle the increased loads and pressures.

The piston rings included in this kit are made from high-quality, low-friction materials. The top ring is a compression ring, the second ring is an oil control ring, and the third ring is a scraper ring. The rings are designed to seal effectively against the cylinder wall, ensuring optimal compression and oil control.

The piston kit also includes new piston pin bushings and piston pin retaining clips. These components ensure a proper fit and function of the piston pins, which is essential for optimal engine performance.

In summary, the WiseCo 4986M07700 piston kit is a high-performance upgrade for standard engines with a 76.95mm bore and 13.5:1 compression ratio. It is designed to deliver enhanced power, improved reliability, and increased durability through the use of forged pistons, optimized piston crowns, full-floating piston skirts, high-quality piston rings, and new piston pin bushings and piston pin retaining clips.

Wiseco 4986M07700 Piston Kit: A Detailed Analysis

The Wiseco 4986M07700 piston kit is a popular choice among enthusiasts for high-performance applications. This article aims to provide an unbiased analysis of the product, outlining its advantages and disadvantages.

1. Enhanced Performance: The pistons are designed to increase power output, improve engine response, and provide better overall performance.

2. Durability: Wiseco pistons are known for their robust construction, which can withstand the rigors of high-performance applications.

3. Precision Manufacturing: The pistons are CNC machined to ensure excellent fitment and dimensional accuracy, ensuring optimal engine performance.

4. Compatibility: This piston kit is compatible with various engine sizes and configurations, making it a versatile option for many applications.

5. Improved Efficiency: The pistons' lighter weight can result in improved engine efficiency and increased power output.

1. Cost: The Wiseco 4986M07700 piston kit is relatively expensive compared to OEM pistons.

2. Installation Complexity: Installing aftermarket pistons can be a challenging process, requiring specialized tools and expertise.

3. Potential Clearance Issues: Depending on the engine application, clearance issues between the pistons and other engine components may arise, necessitating further modifications.

The Wiseco 4986M07700 piston kit offers significant performance benefits, including increased power output, improved efficiency, and durability. However, these advantages come at a cost, both financially and in terms of installation complexity. If you're looking to enhance your engine's performance and are willing to invest time and money, this piston kit could be an excellent choice.

For those interested in the Wiseco 4986M07700 piston kit, we strongly recommend conducting thorough research on the specific engine application and consulting with a knowledgeable mechanic or engine builder before making a purchase. This will help ensure a successful installation process and optimal engine performance.

Details:

Any damage claims may be exchanged for the identical item only. Wiseco, Piston Kit, Standard Bore 76.95mm, 13.5:1 Compression, This item fits the following model's: Yamaha YZF-R1 2008, Yamaha 2007. All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation.

Compression: 13.5:1 Compression, Bore: 76.95mm, Sizing: Sizing Not Available, Sold as: Each.

part #: 4986m07700 prices

• $237.99-$913.99

specifications pistondon:

• brand: Wiseco
• mpn: 4986m07700
• part type: Piston Compression

returns pistondon:

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

shipping pistondon:

• type: Fixed
• service: Economy, Standard, Expedited
• cost: $0.00
• class: Economy, Standard, Expedited
• transit: 5-11 Days

offer pistondon:

• options: Ship-to-home
• sold: 0
• quantity: 5
• availability: In Stock
• started: December 28, 2025

seller pistondon:

• # reviews: 607614
• city: Loudon, Tennessee
• rating: 99.4%

payments pistondon:

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

general pistondon:

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

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