Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder - Yamaha YZ250 (1999-2025)
Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder – Yamaha YZ250 (1999 - 2025) - Dune Goons
Cylinder Works 20009 Cylinder - Yamaha YZ250 (1999-2025)

Cylinder Works 20009 Cylinder - Yamaha YZ250 (1999-2025)

  • Ships next business day
  • 30-day hassle-free returns
  • Call us: 541-668-7503
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$935.00
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Shipping calculated at checkout.

Bring your YZ250 back to factory performance with the Cylinder Works 20009 Standard Bore Cylinder. This direct-bolt-on replacement delivers OEM fit, finish, and durability without the hassle of replating or machine work. Perfect for complete top-end rebuilds or fresh race prep.

✓ Fits:

  • Yamaha YZ250 (1999-2025)
  • Designed for stock-bore (66.4 mm) top ends. Works with OEM cylinder head and valves.

✓ Features:

  • Ready to install - no replating or machining required
  • Nickel-silicon-carbide plating for long-life performance
  • OEM-grade casting and finish; matches factory port layout
  • Maintains 250 cc displacement and original compression
  • Made in the USA

✓ What's Included:

  • Cylinder Works 66.40 mm Standard Bore Cylinder Ready-to-install - direct bolt-on design Works with OEM or stock-bore piston and gasket kits

Ships fast from DuneGoonShop!

📦 Shipping Information

In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.

Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.

Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.

Questions? Contact us, we respond within 24 hours.

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