Description
When factory wear compromises your YFZ450R’s performance, a stock cylinder rebuild often leaves you with mediocre results and unnecessary machine shop costs. The Cylinder Works Standard Bore Kit delivers a complete, ready-to-install solution that restores—or exceeds—OEM specifications without the downtime or expense of custom work. You get matched Vertex pistons, precision machining, and U.S.-made reliability in one package.
This kit eliminates the guesswork and hidden costs of sourcing individual components. The nickel silicon carbide plating resists wear far longer than standard finishes, while the bolt-on design means you spend your time riding, not waiting for fabrication. Whether you’re prepping for race season or refreshing a well-used engine, this is the straightforward, proven path to reliable power.
- Fitment: Yamaha YFZ450R 2009–2017
- Standard bore diameter
- Nickel Silicon Carbide plating
- Matched Vertex pistons included
- Complete gasket set included
- Piston rings and clips included
- Wrist pin included
- Bolt-on installation
- U.S.-made construction
- MPN: 20003-K02
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