Cylinder Works 21002-K01 80 mm Big Bore Kit – Yamaha YZ250F/WR250F 2001-2013
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
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✓ Fits:
- 2001-2013 Yamaha YZ250F
- 2001-2013 Yamaha WR250F
✓ Features:
- Cylinder Works Big Bore Cylinder (21002-K01)
- Top-End Gasket Kit
- Installation-ready, direct bolt-on design
- No additional hardware included (uses existing hardware)
- Direct bolt-on big bore cylinder with +3.00 mm overbore; no machine work required
- Nickel-silicon carbide-plated cylinder sleeve for enhanced durability and long life
- Includes matched Vertex pistons for longevity, performance, and reduced engine noise
✓ What's Included:
- Vertex Piston Kit (piston, rings, pin, clips)
- What’s Included Cylinder Works Big Bore Cylinder (21002-K01) Vertex Piston Kit (piston, rings, pin,
Ships fast from DuneGoonShop!
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
