- PROX pistons are precision machined on the latest, state of the art CNC equipment.
- The same low-expansion, low-friction piston alloy is used for all major Japanese engine manufacturers.
- PROX piston kits are a first class solution to replace the original piston in your motorcycle, scooter, moped, ATV, personal watercraft, etc.
- PROX piston kits for sleeved cylinders are available in standard size and a wide range of oversizes. The availability of oversizes up to 2mm significantly helps to increase the lifespan of a cylinder by offering more re-boring possibilities.
- PROX pistons for plated cylinders come in standard size, as well as in A, B, C, D+ oversizes. Take advantage of the additional oversizes to extend the lifespan of plated cylinders.
- All PROX piston kits are supplied complete with piston rings, wrist pin and circlips, ready to install!
The PROX Piston Ring Set YZ85 '02-11 is designed for optimal engine performance and durability. Crafted with precision, this set ensures a proper seal between the piston and cylinder, minimizing blow-by and maintaining compression. Ideal for motorcycles and small engines, it offers reliable performance across a range of conditions. The set includes all necessary rings to restore engine efficiency and prolong engine life. Manufactured by PROX, a trusted name in high-performance engine components, this piston ring set is engineered to meet or exceed OEM specifications. Its robust construction and precise fitment make it a dependable choice for engine rebuilds and maintenance.
Engineered with durability in mind, the PROX Piston Ring Set YZ85 '02-11 features high-quality materials that resist wear and thermal expansion. This ensures consistent performance and reduces the need for frequent replacements. Easy to install, it provides a seamless fit with existing engine parts, contributing to overall engine reliability. Whether you're restoring a vintage model or maintaining a high-performance bike, this piston ring set offers the perfect combination of quality and value, ensuring your engine runs smoothly for miles to come.
Features:
- Designed for Yamaha YZ85 models from 2002 to 2011
- Includes complete piston ring set for comprehensive engine rebuilds
- Precision-engineered for optimal sealing and performance
- High-quality materials resist wear and thermal stress
- Easy to install with a perfect fit for reliable operation