[Product Information]

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• Fits: Yamaha YZ 85 2002-2013
• Ready to install， ProX Piston Kits are supplied complete with piston rings， wrist pin， and circlips
• ProX pistons are precision machined on the latest， state of the art CNC equipment and use the same low-expansion， low-friction piston alloy all major Japanese engine manufacturers use
• Uses a moly coated skirt that not only assists the break-in process， but also helps reduce friction and increase performance for the life of the piston
• Notes: 47.46mm bore