This Athena Big Bore Cylinder Kit is the perfect addition for your Yamaha YZ 85 02-18. With a 105cc capacity, it is designed to provide optimal performance and power to your motorcycle engine. The kit includes all the necessary components and parts to replace the old or damaged ones, ensuring a smooth and reliable ride. The brand Athena is known for its high-quality products, and this cylinder kit is no exception. It is manufactured with precision and attention to detail, ensuring that it fits perfectly and functions flawlessly. Upgrade your motorcycle with this top-of-the-line cylinder kit and experience the thrill of the ride.