Cylinder Works CW20013K01 Standard Bore Cylinder Kit 19-24 Yamaha YZ250F WR250F

When your engine starts to feel tired or loses compression, a complete OEM Replacement top-end solution is the fastest way to regain that factory snap. The Cylinder Works CW20013K01 Standard Bore Cylinder Kit (77.00 mm) a direct bolt-on masterpiece designed for riders who demand reliability and precision. At Moto-House MX, we specialize in providing high-performance kits that eliminate the guesswork of engine rebuilding.

This comprehensive kit features a nickel silicon carbide-plated cylinder and a matched Vertex piston, ensuring exceptional Racing Performance with reduced engine noise. Made in the USA and engineered for Heavy Duty off-road use, the 13.8:1 compression ratio provides the perfect balance of power and longevity for your 250cc 4-cycle machine, all while maintaining a stealthy, stock appearance.

Top Features: Cylinder Works Standard Bore Cylinder Kit

• Complete Top-End Kit: Includes a direct bolt-on cylinder and a precision-matched Vertex piston for maximum synergy.
• Nickel Silicon Carbide Plating: Provides an ultra-durable, low-friction bore surface for extended engine life and superior heat management.
• Vertex High-Performance Piston: Renowned for reducing engine noise and increasing throttle response across the RPM range.
• Made in the USA: Proudly manufactured in the United States to meet the highest industry standards for quality and fitment.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2019-2024	Yamaha	YZ250F
2020-2024	Yamaha	YZ250FX
2020-2024	Yamaha	WR250F

Frequently Asked Questions

Does this kit include gaskets?
This kit typically includes the cylinder and matched Vertex piston components; however, we always recommend checking if a top-end gasket set is required for your specific installation to ensure a leak-free seal.

Is this a high-compression kit?
This kit features a 13.8:1 compression ratio, which is designed to provide excellent performance while remaining compatible with high-quality pump or race fuels typically used in 250cc 4-strokes.

Do I need to re-plate my old cylinder?
No, this is a "Ready-to-Install" kit. It comes with a brand-new cylinder, so you can simply bolt it on and get back to riding without the downtime of sending your old cylinder out for plating.

Upgrade Your Ride and experience the reliability of a fresh top end with the Cylinder Works Standard Bore Kit from Moto-House MX.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.

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