Big Bore Cylinder Kit Compatible with/Replacement for for Yamaha YZ 85 (02-14) 21107-K01

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🏁 Rev Up Your Adventure with Cylinder Works!

The Cylinder Works Big Bore Cylinder Kit is a high-performance upgrade designed specifically for Yamaha YZ 85 models from 2002 to 2014. With a compression ratio of 8.2:1 and a cylinder diameter of 52.500 mm, this kit enhances engine displacement to 107cc, delivering a significant boost in power and efficiency. The complete kit includes a cylinder, piston kit, and top-end gasket kit, all built to OEM specifications. Plus, it comes with a 1-year warranty for added assurance.