Cylinder Works Big Bore Cylinder Kit 82Mm Bore Honda Crf250 2018-2021 / Crf250Rx 2019-2021

Cylinder Works BigBore Cylinder Kit

Ready to unlock more power? Cylinder Works big bore cylinder kits are the no-hassle way to increase displacement and boost horsepower — without expensive machining or lengthy turnaround times. Each kit arrives ready to install, engineered to fit your bike like OEM, while delivering a serious performance upgrade.

At the heart of every kit is a new cast aluminium Nikasil electroplated cylinder bored to an increased diameter, paired with a Vertex forged piston featuring Molybdenum Disulphide coating for faster break-in and long-lasting durability. A complete top-end gasket set is included so you have everything needed for a clean, professional rebuild.

Whether you're chasing lap times or just want more grunt on the trails, Cylinder Works big bore kits give you a competitive edge — straight out of the box.

Kit includes: Big bore cylinder · Vertex piston · Rings · Wrist pin · Circlips · Top-end gasket set

Please Note: Images may be for illustration purposes only and reflect the class of product and not the specific model.