Vertex WR101 - 078 Engine Rebuild Kit – Yamaha YFZ450 (2004–2005) - Dune Goons

Vertex WR101-078 Engine Rebuild Kit - Yamaha YFZ450 (2004-2005)

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Regular price$1,463.00
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The Vertex WR101-078 Engine Rebuild Kit (0903-1013) provides everything you need to fully restore your 2004-2005 Yamaha YFZ450 engine to factory-level performance and reliability. Designed for riders who demand precision and durability, this kit combines Hot Rods and Vertex components for a complete top and bottom end rebuild in one package.

✓ Fits:

  • Fits all 2004-2005 Yamaha YFZ450 carbureted models:
  • 2004 Yamaha YFZ450
  • 2005 Yamaha YFZ450
  • (Does not fit 2006+ YFZ450R EFI models)

✓ Features:

  • Full OEM-quality rebuild kit for top and bottom end
  • Includes crankshaft, piston, bearings, and all critical gaskets
  • Precision-fit components from Vertex and Hot Rods
  • Restores lost power and smooth operation
  • One-box solution for complete engine refresh

✓ What's Included:

  • Vertex WR101-078 Engine Rebuild Kit - Yamaha YFZ450

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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