fits model: Yz. make: Yamaha. year: 1985–2013.

( Brand: Vertex ), ( Manufacturer Part Number: 23628A ), ( Part Type: Piston )
The 2002-2013 Vertex Big Piston Kit for the Yamaha YZ 85 is an essential upgrade for any serious off-road racer or enthusiast. This kit, with part number 23628A, includes everything needed to replace the standard piston in your YZ 85 engine.
The kit features a large 52.44mm piston diameter, which increases the engine's displacement and delivers more power and torque. The piston is made of high-quality forged aluminum, ensuring durability and reliability. It also includes a 5.00mm compression ring set, which helps to improve combustion efficiency and power output.
The Vertex Big Piston Kit is designed to fit specifically to the Yamaha YZ 85 models produced between 2002 and 2013. The kit includes detailed installation instructions, making the upgrade process straightforward and hassle-free.
Installing the Big Piston Kit will not only provide more power and torque but also improve engine performance and longevity. The kit is a great investment for any YZ 85 rider looking to gain a competitive edge on the track or simply wanting to enhance their riding experience.
In summary, the Vertex Big Piston Kit for the Yamaha YZ 85 is a high-quality, reliable, and powerful upgrade that will take your off-road riding to the next level. With its large piston diameter, high-quality materials, and easy installation process, this kit is a must-have for any serious YZ 85 rider.
Pros of buying a 2002-13 Vertex Big Piston Kit for Yamaha YZ 85:1. Increased power and performance: The kit includes a larger piston and ring, which can help increase the engine's power output and improve performance.
2. Longer engine life: The larger piston and ring can help reduce engine wear and tear, potentially extending the life of the engine.
3. Improved engine durability: The kit can help improve the engine's durability, making it better able to handle the rigors of off-road racing or riding.
Cons of buying a 2002-13 Vertex Big Piston Kit for Yamaha YZ 85:1. Potential for decreased fuel efficiency: The larger piston and ring may cause the engine to consume more fuel, leading to decreased fuel efficiency.
2. Potential for increased noise level: The larger piston and ring may cause the engine to produce more noise, which can be a concern for some riders.
3. Potential for increased maintenance costs: The kit may require additional maintenance, such as more frequent valve adjustments or oil changes, which can increase maintenance costs.
Conclusion:The 2002-13 Vertex Big Piston Kit for Yamaha YZ 85 can be a good investment for riders who are looking to increase the power and performance of their engine, as well as improve its durability. However, it's important to consider the potential drawbacks, such as decreased fuel efficiency and increased noise level, and the potential for increased maintenance costs. If you're willing to accept these potential drawbacks and invest in the kit, it can be a great way to improve your YZ 85's performance.
Recommendation:If you're considering buying the 2002-13 Vertex Big Piston Kit for Yamaha YZ 85, I would recommend doing some research on the specific kit and its potential impact on your specific bike's performance. You can also consult with a knowledgeable mechanic or experienced rider to get their perspective on whether the kit is a good fit for your riding style and goals. Ultimately, the decision to buy the kit should be based on a careful consideration of the pros and cons, as well as your own personal preferences and needs.
New vertex big bore piston kit Yamaha Yz 85 52. 00mm over bore.