Yamaha YZ-F 250 2001-2013 80mm 269cc Big Bore Kit
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Delivery to United States 5–8 business days
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Cylinder Works Big Bore Kit includes a stock appearing, nickel silicon carbide, precision honed big bore cylinder kit, all required gaskets, and a Vertex big bore piston complete with rings, pin, and circlips.
- SKU
- CW.21002-K01
- Brand
- Cylinder Works
- Availability
- In Stock (1)
- SKU
- CW.21002-K01
- Brand
- Cylinder Works
- Availability
- In Stock (1)
FULL DESCRIPTION
Performance Upgrade: Cylinder Works Big Bore Kit
Transform your engine performance with the Cylinder Works Big Bore Kit. Designed to provide a significant boost in displacement and power, this comprehensive kit allows you to upgrade your machine from stock specifications to a higher level of output. Engineered for reliability and increased torque, this kit is the ideal solution for riders looking to achieve a professional grade engine enhancement.
Key Features
- Precision Engineering: Includes a high quality, nickel silicon carbide plated big bore cylinder that is precision honed for optimal piston-to-wall clearance.
- Complete Upgrade Package: Each kit contains everything required for a successful installation, ensuring a seamless upgrade process.
- Vertex Piston Included: Comes with a premium Vertex big bore piston, complete with precision-engineered rings, wrist pin, and circlips.
- Reliable Sealing: Includes all necessary high-grade gaskets to ensure a secure, leak-free installation and optimal compression.
- Stock Appearance: Designed to maintain the factory aesthetic while delivering substantial internal performance gains.
By replacing your standard top-end components with this performance big bore kit, you effectively increase your engine displacement to 269cc. This kit is manufactured to rigorous standards to ensure longevity and consistent performance under demanding riding conditions.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Call or email us with your make, model and year and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
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