Introducing the Wiseco Piston Kit Pro-Lite 69.00/+1.00, an exemplary component meticulously crafted for those who demand nothing less than engineering excellence in their performance machines. Designed specifically for the Yamaha YZ 250 (1983 - 1987), this piston kit epitomizes the synergy of advanced materials and precision manufacturing, ensuring that your motorcycle achieves its full potential on the track.
Crafted with precision, the Pro-Lite Piston Kit is engineered to reduce unsprung mass, thereby enhancing the overall agility and responsiveness of your Yamaha YZ 250. The meticulous design process involves advanced computational fluid dynamics (CFD) modeling and rigorous dyno validation, ensuring that every aspect of the piston contributes to optimal performance.
Manufactured from high-grade aerospace alloys, the piston exhibits remarkable strength-to-weight characteristics, allowing for higher revs and improved throttle response without compromising durability. The 1.00mm oversize bore facilitates enhanced airflow and combustion efficiency, translating into tangible gains in power delivery and acceleration.
Owners of the Yamaha YZ 250 have lauded the Pro-Lite Piston Kit for its seamless integration into their machines. One discerning rider noted, “Fitted to my Yamaha YZ 250, the Pro-Lite piston transformed the engine’s character. The increased bore size and refined engineering have resulted in a noticeable improvement in throttle response and power delivery throughout the rev range.”
Another customer remarked, “The craftsmanship is evident; the precision fitment aligns perfectly with OEM specifications, and the modifications to the power valve were straightforward. This piston kit has truly elevated my riding experience.”
In a world where performance and reliability are paramount, the Wiseco Piston Kit Pro-Lite 69.00/+1.00 stands as a testament to the art of engineering. It is not merely a component; it is an investment in the future of your Yamaha YZ 250, designed for those who appreciate the finer details of performance and craftsmanship.
Other Part Numbers:
Wiseco #560M06900
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Wiseco Pistons is an aftermarket company established in 1940 and started in Cleveland, Ohio when Clyde Wiseman designed to create his pistons for himself and his friends. Soon after, people started ordering the same piston and became a favorite of many motorsport enthusiasts.
Today, Wiseco’s has become a world-renowned brand for piston and other high-performance products.
Hightech Manufacturing FacilityOver the years, the company grew and relocated its corporate headquarters in Mentor, Ohio. It now boasts over 150,000 square feet of state-of-the-art forging facility with CNC machining equipment. Wiseco also has fully stocked, strategically located distribution centers all over Canada and Europe to cater to their customers wherever they are.
Global FootprintAs an internationally acclaimed brand, Wiseco gained customers' trust in Europe, Africa, South America, Asia, and Australia. Wiseco is now considered the world leader in manufacturing hi-performance, forged pistons for motorcycles, snowmobile, motorcycle, ATV, outboard marine, and automotive markets.
Purchase Wiseco Pistons at Vivid RacingIf you search for quality pistons that would provide you with optimum performance, then Wiseco Pistons is the right brand for you. It is designed for those who want the best. With 75 years of experience under their belt, you can be sure that Wiseco Pistons is a brand you could trust.
To know more about Wiseco Pistons and what they can offer, visit Vivid Racing and check out their list of products that would fit your specific needs.