WISECO 4689M07500 Piston Kit Compression 2.00MM 76.00MM 10.5 2006 2005 2004 2003 2002 2001 2000

( Brand: Wiseco ), ( Manufacturer Part Number: 4689M07500 ), ( Part Type: Piston Compression ), ( Make: Yamaha ), ( Year: 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 )

Review WISECO Piston Kit 2.00mm Oversize To 76.00mm 10.5 Compression Motorcycle fits TTR250 1999

The WiseCo 4689M07500 piston kit is a high-performance upgrade for engines seeking increased power and efficiency. This piston kit is designed for 2.0-liter, 4-cylinder engines with a bore size of 76.00mm and a stroke length of 105mm, making it suitable for various applications. The pistons are constructed from forged aluminum alloy, ensuring superior strength and durability.

Each piston features a compression height of 2.00mm, which is crucial for achieving optimal engine performance. The piston tops are machined with a dish shape to enhance combustion efficiency and power output. The piston skirts are optimized for a snug fit in the cylinder bore, reducing friction and promoting smooth engine operation.

The piston rings included in this kit are made of high-quality, heat-resistant materials. The compression rings are designed to seal the combustion chamber effectively, while the oil control rings minimize oil consumption and prevent oil from entering the crankcase. Each piston ring is precision-engineered to ensure a perfect fit and optimal performance.

The piston kit comes with matching wrist pins, ensuring proper piston-to-connecting rod engagement. The piston pin bores are precision-machined to guarantee a secure and reliable fit, reducing the risk of engine damage or failure.

The WiseCo 4689M07500 piston kit is an excellent choice for engine builders and performance enthusiasts seeking to maximize the potential of their 2.0-liter, 4-cylinder engine. With its high-strength materials, precise engineering, and optimized design, this piston kit delivers improved power output, increased efficiency, and enhanced reliability.

The Wiseco 4689M07500 piston kit is designed for 2.0-liter Honda and Acura engines with a 76.0mm bore and 10.5:1 compression ratio. Here are some pros and cons of buying this piston kit:

1. High-performance design: The pistons in this kit are forged from aluminum, making them stronger and more durable than stock pistons. They also have a 2.00mm overbore, which allows for increased engine displacement and power.

2. Improved compression: The 10.5:1 compression ratio is higher than stock, which can lead to increased horsepower and torque. This makes the engine more responsive and more fun to drive.

3. Race-proven design: Wiseco is a well-known brand in the racing community, and their pistons have been used to win many championships. This kit is designed to provide reliable performance in high-performance applications.

1. Cost: This piston kit is more expensive than a stock piston kit. This may be a consideration for budget-conscious buyers.

2. Installation complexity: Installing a piston kit requires removing the engine from the vehicle and disassembling it. This can be a complex and time-consuming process, and may require specialized tools and expertise.

3. Potential for engine damage: Installing a piston kit with a higher compression ratio can increase the risk of engine damage if not done correctly. It's important to follow the installation instructions carefully and use high-quality engine components.

The Wiseco 4689M07500 piston kit is a high-performance solution for Honda and Acura engines looking for increased power and responsiveness. Its forged aluminum pistons, 2.00mm overbore, and 10.5:1 compression ratio make it a popular choice for racers and enthusiasts. However, it comes with a higher cost and increased installation complexity compared to stock piston kits. Ultimately, the decision to buy this piston kit depends on your budget, your experience level, and your goals for your engine.

If you're looking for high-performance gains and are comfortable with the installation process, the Wiseco 4689M07500 piston kit is a great option. However, if you're on a tight budget or are new to engine builds, a stock piston kit may be a better choice. It's always important to consult with a professional mechanic or engine builder before making any major engine modifications.

Details:

Note: Cylinder boring required. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation. Bore: 76.00mm, Compression: 10.5:1 Compression, Sizing: 2.00mm Oversize, Sold as: Each. Bore - Standard: 73.00mm.

Displacement: 256cc. Any damage claims may be exchanged for the identical item only. Wiseco, Pro-Lite 4-Stroke Piston .080 Oversize Compatible With 99-06 YAMAHA TTR250, This item fits the following model's: Yamaha TTR250 2006, Yamaha 2005, 2004, 2003, 2002, 2001, 20 1999. Non Chromed TW.

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.

part #: 4689m07500 prices

• $176.55-$219.99

specifications pistondon:

• for models: Ttr250
• brand: Wiseco
• mpn: 4689m07500
• part type: Piston Compression
• make: Yamaha
• year: 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999

returns pistondon:

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

payments pistondon:

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

seller pistondon:

• city: Loudon, Tennessee
• rating: 99.3%
• # reviews: 597095

offer pistondon:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: November 8, 2025
• sold: 0

general pistondon:

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

shipping pistondon:

• transit: 5-10 Days
• cost: $0.00
• class: Economy, Standard, Expedited
• service: Economy, Standard, Expedited
• type: Fixed

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