WISECO 4881M07900 Piston Kit High Comp 2.00MM 79.00MM 13.5

( Brand: Wiseco ), ( Manufacturer Part Number: 4881M07900 ), ( Part Type: Piston ), ( California Prop 65 Warning: Cancer Reproductive Harm )

Review WISECO Piston Kit 2.00mm Oversize To 79.00mm 13.5 High Comp

The WiseCo 4881M07900 piston kit is a high-performance upgrade for those seeking to enhance the power and efficiency of their engine. This piston kit is specifically designed for applications requiring a 2.00mm compression height and a 79.00mm bore diameter, making it a suitable choice for various engines with similar specifications.

The pistons are made of forged aluminum alloy, ensuring superior strength and durability. The piston crown is designed with a dish shape, which helps to increase the engine's compression ratio, leading to improved power output. The piston skirts are optimized for a snug fit in the cylinder bore, reducing friction and minimizing power loss.

The piston kit comes with matching wrist pins, which are designed to provide a secure connection between the piston and the connecting rod. The wrist pins are made of high-strength steel and have a phosphate coating to prevent galling and wear.

Additionally, the piston kit includes new piston rings. The rings are made of high-temperature material and are designed to provide a good seal between the piston and the cylinder wall, preventing oil leaks and reducing combustion gas leakage.

The piston kit is also compatible with high-performance engine components, such as high-performance piston rings, wrist pin retainers, and piston pin locks. These components further enhance the piston kit's performance capabilities and durability.

In summary, the WiseCo 4881M07900 piston kit is a high-quality, forged aluminum piston set designed for engines requiring a 2.00mm compression height and a 79.00mm bore diameter. The pistons offer improved strength, durability, and power output, making it an excellent choice for those seeking to upgrade their engine for increased performance.

Wiseco 4881M07900 Piston Kit: A Detailed Analysis

The Wiseco 4881M07900 piston kit is a popular choice among motorcycle enthusiasts for upgrading their engines. This piston kit is specifically designed for 2.00mm, 79.00mm, 13.5:1 high-compression applications. In this analysis, we will discuss the pros and cons of investing in this piston kit.

1. High-performance design: The Wiseco piston kit is engineered for high-performance applications, providing increased power and torque.

2. Enhanced engine durability: The pistons are forged from strong materials, ensuring better strength and longevity compared to stock pistons.

3. Precise fit and finish: Wiseco uses advanced manufacturing techniques, ensuring a perfect fit and finish for the pistons.

4. Improved thermal efficiency: The pistons are designed to provide better heat dissipation, keeping the engine running cooler and more efficiently.

5. Upgradeability: The Wiseco piston kit can be used as a starting point for further engine modifications.

1. Cost: The Wiseco piston kit is more expensive than stock pistons, which might be a deterrent for some riders.

2. Installation complexity: Installing the Wiseco piston kit requires significant engine disassembly, making it a more involved process than a simple bolt-on upgrade.

3. Potential clearance issues: Depending on the engine configuration, there might be clearance issues with the Wiseco pistons, necessitating additional modifications.

4. Break-in period: Properly breaking in the Wiseco pistons is crucial for ensuring optimal performance and longevity.

The Wiseco 4881M07900 piston kit offers numerous benefits, including improved performance, durability, and thermal efficiency. However, it also comes with its drawbacks, such as higher costs, installation complexity, and potential clearance issues. Ultimately, the decision to invest in this piston kit depends on the rider's goals, budget, and technical expertise.

If you're an experienced motorcycle enthusiast looking to maximize your engine's performance, the Wiseco 4881M07900 piston kit is an excellent investment. However, if you're new to engine modifications or working with a limited budget, it might be wise to explore other, more accessible performance upgrades first. Always ensure that you have the necessary skills, tools, and resources to install the piston kit properly and safely.

Details:

Note: All Wiseco piston kits are supplied with Piston, Ring and cir clips. Wiseco 4-Stroke Piston Kit 4881M07900: Price. FITS:YAMAHA WR 250F 2005 - 2009 ; YAMAHA YZ 2007 ; 50TH ANNIVERSARY 2006 Specifications: BRAND Wiseco. Wrist Pins are included unless noted.

Note: Oversize requires cylinder sleeking. Note: Image for reference only. Shipping requires a street address. Actual product may vary according to vehicle.

Top End Bearings must be purchased separately. Fast shipping. Shipping available to USA only. Race ready dome design for improved combustion flow.

Armor glide skirt coating provides reduced friction. Kit includes piston, rings, wrist pin and cir clips. Simpson Mod Bandit Replacement Helmet Face shield thorn22861 395 , the part looks good same as mind. Model 4881M07900.

part #: 4881m07900 prices

• $129.94-$199.99

specifications pistondon:

• brand: Wiseco
• mpn: 4881m07900
• part type: Piston
• california prop 65 warning: Cancer Reproductive Harm

offer pistondon:

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

shipping pistondon:

• class: Economy, Standard
• service: Economy, Standard
• transit: 4-4 Days
• type: Fixed
• cost: $0.00

payments pistondon:

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

seller pistondon:

• rating: 99.4%
• # reviews: 293599
• city: San Bernardino, California

general pistondon:

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

returns pistondon:

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

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