TRX400EX / TRX400X Engine Rebuild Kit | Top/Bottom End Kit 85mm (2005-2014)
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Honda TRX400EX (2005–2008) / TRX400X (2009, 2012–2014) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit
Description
🛠️ Bring your Honda TRX400EX or TRX400X engine back to life with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-196).
This kit includes every major internal component needed for a total rebuild—from a trued Hot Rods crankshaft to OEM-fit gaskets and seals—giving you the same reliability and performance as a new factory engine. Perfect for stock rebuilds, trail quads, or mild performance upgrades.
What’s Included
✅ Hot Rods Crankshaft Assembly (trued & balanced)
✅ Vertex Replica Piston Kit (piston, rings, wrist pin & clips)
✅ Complete Engine Gasket Kit (top & bottom end)
✅ Oil Seal Kit
✅ Main Bearing & Seal Kit
✅ Transmission Bearing Kit
✅ Water Pump Rebuild Kit
✅ Countershaft Bushing & Seal Kit
✅ Cam Chain
Key Features
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💪 All-In-One Solution: Everything needed for a full OEM-spec engine rebuild in one box
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🧩 Factory-Level Fit & Finish: Matches original Honda specs for easy installation
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🏁 Durable Components: Hot Rods crankshaft & Vertex piston for long-lasting performance
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🔧 Ideal for Stock or Refreshed Builds: Excellent choice for trail and recreation riders
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⚙️ Direct OEM Replacement: No machine work required; drop-in fit
Fitment
📦 Fits the following models:
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2005 – 2008 Honda TRX400EX Sportrax
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2009, 2012 – 2014 Honda TRX400X
Direct replacement for all OEM internal engine components.
Warranty Info
🛡️ Backed by Wrench Rabbit / Hot Rods Limited Warranty.
All components meet or exceed OEM standards. Professional installation recommended.
Price & SKU
💲 Retail Price: $829.95
SKU: 0903-1447 / WR101-196
Estimated Shipping Weight: 17.55 lbs
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.
