The Cylinder Works High-Compression Standard Bore Cylinder Kit, part number 20002-K03HC, is a stock-bore top-end rebuild package that pairs a new Cylinder Works cylinder with a high-compression Vertex piston for performance-focused engine builds. It is intended for Yamaha YZ250F; see the complete vehicle list below.
Features
- Standard-bore cylinder maintains the original engine displacement
- High-compression piston configuration is designed to increase performance without converting to a larger bore
- New cast-aluminum cylinder with an NSC electroplated bore
- Precision diamond-honed cylinder finish supports ring seal and oil retention
- Includes the major cylinder, piston, and gasket components needed for top-end service
What Is Included
- Cylinder Works standard-bore cylinder
- Matched high-compression Vertex piston kit
- Top-end gasket kit with required gaskets and O-rings
Specifications
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Brand: Cylinder Works
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Product Type: High-Compression Standard Bore Cylinder Kit
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Bore Configuration: Standard bore
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Piston Configuration: High compression
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Cylinder Construction: Cast aluminum
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Bore Finish: Nickel-silicon-carbide electroplate
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Manufacturer Part Number: 20002-K03HC
Vehicle Fitment
Make: Yamaha
Fitment and Installation Note: Confirm the complete year, make, model, engine configuration, and manufacturer part number before ordering. Engine assembly should follow the vehicle manufacturer’s specifications, clearances, torque values, and break-in procedures.