WISECO 4764M08850 Piston Kit .060 88.50MM/9

( Brand: Wiseco ), ( Manufacturer Part Number: 4764M08850 ), ( Type: Piston Kit ), ( Items Included: Piston Rings, Wrist Pin ), ( Engine Type: 4-stroke ), ( Piston Diameter: 88.50 ), ( Country Of Origin: United States )

Review WISECO Yamaha And .060 Piston Kit 88.50mm/9 fits TT500 XT500 1976–1981

Introducing the WiseCo 4764M08850 piston kit, specifically designed for Yamaha TT500 and XT500 motorcycles manufactured between 1976 and 1981. This high-performance piston kit is an excellent upgrade for riders seeking enhanced power and durability from their classic machines.

The WiseCo piston kit is composed of six pistons, each one made from a forged aluminum alloy. This material offers superior strength and rigidity compared to cast pistons, ensuring longer engine life and improved reliability. Each piston features a compression height of 60mm/0.6L, making it an ideal fit for the specifications of the Yamaha TT500 and XT500 engines during this era.

The piston crowns are designed with a dome shape to optimize combustion efficiency and provide a better seal against the cylinder wall. The piston skirts are treated with a high-friction coating to minimize the contact surface between the piston and cylinder wall, reducing friction and improving engine performance.

The piston rings included in this kit are made of a nitrided chrome molybdenum alloy. This material is known for its exceptional wear resistance and ability to maintain a tight seal against the cylinder wall, even under high compression and temperature conditions.

The piston pin is made of chrome molybdenum steel, ensuring a secure connection between the piston and the connecting rod. The piston pin is held in place by a nut made of heat-treated steel, providing additional strength and durability.

This piston kit comes complete with pistons, piston rings, piston pins, and necessary hardware for installation. It is essential to follow the manufacturer's instructions carefully during installation to ensure proper assembly and optimal engine performance.

Upgrading to the WiseCo 4764M08850 piston kit offers several benefits, including increased power output, improved engine reliability, and enhanced durability. This is an ideal solution for riders who want to restore their classic Yamaha TT500 or XT500 motorcycle to its former glory while also achieving superior performance.

Wiseco 4764M08850 Piston Kit for Yamaha TT500/XT500 (1976-1981): A Comprehensive Analysis

The Wiseco 4764M08850 piston kit is designed for Yamaha TT500 and XT500 motorcycles manufactured between 1976 and 1981. This kit features 88.50mm/9 pistons. In this analysis, we will discuss the potential advantages and disadvantages of investing in this piston kit.

1. Enhanced Performance: The Wiseco piston kit is designed to deliver improved engine performance, including increased horsepower and torque. This is achieved through the use of high-quality materials and advanced engineering.

2. Durability: Wiseco pistons are renowned for their durability and resistance to failure. These pistons are forged from a single piece of aluminum, ensuring they can withstand the rigors of high-performance riding.

3. Customization: The Wiseco piston kit offers improved customization options for riders looking to fine-tune their engine's performance. The kit comes with a range of piston sizes, allowing riders to select the ideal option for their specific riding style and engine configuration.

4. OEM Replacement: The Wiseco piston kit serves as a reliable OEM replacement, ensuring that riders can maintain the longevity and reliability of their engines.

1. Cost: The Wiseco piston kit can be a significant investment for some riders, especially those on a tight budget. The cost may be a deterrent for some, as it can be more expensive than OEM alternatives.

2. Installation: Installing the Wiseco piston kit requires a certain level of mechanical expertise and experience. Riders without the necessary skills or resources may find the installation process challenging.

3. Compatibility: While the Wiseco piston kit is designed to fit Yamaha TT500 and XT500 motorcycles manufactured between 1976 and 1981, it's essential to double-check compatibility before making a purchase. Installing an incompatible piston kit can lead to engine damage and other issues.

The Wiseco 4764M08850 piston kit offers several advantages for riders looking to improve the performance and durability of their Yamaha TT500 or XT500 motorcycle engines. However, the cost and installation considerations may deter some riders. Ultimately, if you're an experienced rider with the necessary mechanical expertise and a desire for enhanced performance, the Wiseco piston kit could be an excellent investment.

For riders looking to upgrade their Yamaha TT500 or XT500 motorcycle engines with high-performance pistons, the Wiseco 4764M08850 piston kit is a strong recommendation. However, it's essential to weigh the pros and cons carefully and ensure that you have the necessary skills, resources, and budget to install and maintain the kit effectively. If you're unsure about the installation process or have concerns about compatibility, consider consulting a professional mechanic for advice.

Details:

Shipping: FREE SHIPPING on this item within USA only. What are the advantages to using Wiseco Pistons. CNC computerized high-speed Diamond Turning Centers hold exact tolerances with no size variations. Closer wrist pin boss spacing eliminates flex.

Innovative forging design and piston skirt provides maximum horsepower torque. All Wiseco Pistons are Forged from high silicon, low expansion aluminum alloy which offers superior strength, reduced weight, improved heat transfer and longer life. New Yamaha TT500 XT5 1976-1981, Wiseco .060 Piston Kit, 4764M08850, 88.50mm/9:1, includes, rings, wrist pin and cir clips pistons are known for durability, longevity increased horsepower. Notice: Product Images may differ from the actual product.

part #: 4764m08850 prices

• $214.90-$266.99

specifications pistondon:

• for models: Tt500, Xt500
• for makes: Yamaha
• for years: 1976-1981
• brand: Wiseco
• mpn: 4764m08850
• type: Piston Kit
• items included: Piston Rings, Wrist Pin
• engine type: 4-stroke
• piston diameter: 88.50
• country of origin: United States

general pistondon:

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

seller pistondon:

• # reviews: 592591
• rating: 99.6%
• city: Rhinelander, Wisconsin

offer pistondon:

• sold: 0
• availability: In Stock
• started: April 22, 2026
• quantity: 4
• options: Ship-to-home

shipping pistondon:

• class: Standard
• service: Standard
• cost: $0.00
• transit: 3-9 Days
• type: Fixed

returns pistondon:

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

payments pistondon:

• other
• wallet: Apple-pay
• credit card: Diners-club

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