Vertex Wrench Rabbit Engine Rebuild Kit – YZ450F (2006–2009)
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Vertex Wrench Rabbit Complete Engine Rebuild Kit – Yamaha YZ450F (2006–2009)
Description
Restore your Yamaha YZ450F to peak race-ready performance with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-087). This professional-grade package includes every internal component required for a full top-and-bottom end rebuild, combining the precision of Vertex pistons, Hot Rods crank components, and Cometic gaskets for maximum reliability and power output.
Each kit is engineered as a direct bolt-in replacement for the 2006–2009 YZ450F engine, ensuring factory-level compression, smooth oil pressure, and balanced crank rotation. Perfect for high-hour bikes, complete overhauls, or full race prep.
What’s Included
✅ Hot Rods Crankshaft Assembly – trued, balanced, and ready to install
✅ Vertex Piston Kit – piston, rings, wrist pin, and clips
✅ Complete Engine Gasket Kit – covers top & bottom end
✅ Oil Seal Kit – all major seals included
✅ Main Bearing & Seal Kit – OEM-spec crank bearings
✅ Water Pump Rebuild Kit – includes bearings, seals, and O-rings
✅ Transmission Bearing Kit – all gearbox bearings included
✅ Countershaft Bushing & Seal Kit
✅ Cam Chain – high-strength timing chain
✅ Counter Balancer Bearing Kit – reduces vibration and extends life
Each component is precision-matched to deliver OEM fit and performance right out of the box.
Fitment
📦 Fits the following models:
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Yamaha YZ450F (2006–2009)
Key Features
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Complete engine rebuild kit – top and bottom end
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Premium OEM-grade components from Vertex & Hot Rods
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Restores compression, oil pressure, and crank balance
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Ideal for full engine overhauls or major refreshes
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No machining required – 100% bolt-on fit
Displacement: 450 cc
Engine Type: 4-Stroke
Weight: 15.75 lb
Warranty Info
🛡️ Backed by Vertex / Wrench Rabbit Limited Manufacturer Warranty
All components meet or exceed OEM specifications. Professional installation recommended.
Price & SKU
💲 Retail Price: $1,121.95
SKU: 0903-1022 / WR101-087
Estimated Shipping Weight: 15.75 lb
Handling: Ships next business day
📦 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.
