Cylinder Works 99-24 Yamaha YZ 250 250cc Standard Bore Cylinder 66.4mm

SKU: CYL20009 UPC: 714205039979
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Regular price $439.79 USD
Regular price -32% $645.95 USD Sale price $439.79 USD
Ready to install and hit the road!

All parts come with the essentials you need for a smooth fit and clear instructions. From performance upgrades to custom styling, unbox and get your ride ready with confidence!

OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.

  • Nickel silicon carbide (NSC) electroplate bore which allows for tighter tolerances, lower friction and extreme durability
  • Precision diamoned honed to exact dimensions and proper surface finish to ensure ring seal and oil retention