WISECO 4677M09250 Piston Kit Compression 0.50MM 92.95MM 10.2

( Brand: Wiseco ), ( Manufacturer Part Number: 4677M09250 ), ( Part Type: Piston Compression ), ( Make: Polaris )

Review WISECO Piston Kit 0.50mm Oversize To 92.95mm 10.2 Compression Motorcycle

The WISCO 4677M09250 piston kit is a high-performance upgrade for engines in need of an upgrade. This piston kit is designed for applications where a 0.50mm overbore is desired, and the pistons have a diameter of 92.95mm and a compression height of 10.2mm.

Each piston in this kit is meticulously crafted from forged 2618-T6 aluminum alloy, ensuring superior strength and durability. The piston crowns are machined to a precise dome shape for optimal combustion efficiency, while the skirts feature a full-floating design that minimizes friction and wear.

The piston rings included in this kit are made from high-quality, heat-resistant materials, ensuring they can withstand the extreme temperatures and pressures of engine combustion. The piston rings are also designed to provide a tight seal, minimizing compression loss and maximizing power output.

The piston pins are made from high-strength steel and are precision-machined to ensure a perfect fit. The piston pin bore is chamfered to ease the installation process, while the pin retainer rings are included to ensure the piston pins remain securely in place.

The WISCO 4677M09250 piston kit also includes piston pin bushings, which are made from high-quality, low-friction material. These bushings ensure a smooth piston motion, reducing engine noise and vibration.

This piston kit is engineered to meet or exceed OEM specifications, ensuring a reliable and consistent performance. It is recommended for use in high-performance applications, such as racing or high-horsepower builds.

In summary, the WISCO 4677M09250 piston kit is a top-quality upgrade for engines in need of a power boost. With its forged aluminum pistons, high-strength piston pins, and heat-resistant piston rings, this kit provides superior strength, durability, and performance. The full-floating piston skirt design and low-friction piston pin bushings ensure minimal wear and smooth operation. This piston kit is an excellent choice for high-performance applications where a 0.50mm overbore is desired.

Wiseco 4677M09250 Piston Kit: A Detailed Analysis

The Wiseco 4677M09250 piston kit, with a 0.50mm overbore, 92.95mm stroke, and 10.2:1 compression ratio, is a popular choice among enthusiasts looking to upgrade their engines. In this analysis, we will discuss the potential advantages and disadvantages of investing in this piston kit.

1. Enhanced Engine Performance: The piston kit is designed to provide improved engine performance, offering increased horsepower and torque. This can lead to better acceleration and overall improved driving experience.

2. High-Quality Materials: Wiseco is known for its high-quality pistons, which are often forged from aluminum alloys. This ensures superior strength and durability compared to cast pistons, making them an excellent choice for high-performance applications.

3. Customizable: The piston kit comes in various sizes and specifications, allowing users to tailor their engine builds to specific applications and power goals.

4. Proven Track Record: Wiseco has a long history of producing high-performance pistons, and the 4677M09250 kit is no exception. Countless racers and enthusiasts have reported excellent results from using Wiseco pistons in their engines.

1. Cost: The Wiseco 4677M09250 piston kit is more expensive than OEM pistons. This can be a significant investment, especially for those on a tight budget.

2. Installation Complexity: Installing a piston kit, particularly one with an overbore, can be a complex process. It requires specific tools, knowledge, and experience to ensure a proper fit and function.

3. Potential Engine Damage: Improper installation or use of incorrect piston specs can result in engine damage. It is crucial to work with a skilled mechanic or follow detailed instructions carefully to minimize risks.

The Wiseco 4677M09250 piston kit offers numerous advantages, including enhanced engine performance, high-quality materials, and customizability. However, it also comes with some drawbacks, such as cost, installation complexity, and potential engine damage if not installed correctly.

If you are looking for a high-performance piston kit and are willing to invest in it, the Wiseco 4677M09250 kit is an excellent choice. However, it is essential to work with a skilled mechanic to ensure proper installation and to follow all instructions carefully to minimize risks. Additionally, be prepared for the increased cost compared to OEM pistons.

Details:

Note: Cylinder boring required. Any damage claims may be exchanged for the identical item only. All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Bore - Actual: 92.50mm.

Bore - Standard: 92.00mm. Displacement: 501cc. Non Chromed TW. Sizing: 0.50mm Oversize, Bore: 92.95mm, Compression: 10.2:1 Compression, Sold as: Each.

Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation.

part #: 4677m09250 prices

• $209.99-$232.95

specifications pistondon:

• brand: Wiseco
• mpn: 4677m09250
• part type: Piston Compression
• make: Polaris

shipping pistondon:

• class: Economy, Standard, Expedited
• type: Fixed
• cost: $0.00
• transit: 3-8 Days
• service: Economy, Standard, Expedited

offer pistondon:

• quantity: 6
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: December 9, 2025

general pistondon:

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

seller pistondon:

• rating: 99.4%
• # reviews: 603406
• city: Loudon, Tennessee

returns pistondon:

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

payments pistondon:

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

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