Vertex Wrench Rabbit Engine Rebuild Kit – TRX400EX (1999–2004) +1.00mm
Vertex Wrench Rabbit Complete Engine Rebuild Kit – Honda TRX400EX (1999–2004)
Description
🛠️ Give your Honda TRX400EX a full factory-strength refresh with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-193). This all-in-one performance kit includes every internal component required for a complete top and bottom end rebuild, combining Hot Rods crank components, Vertex piston kits, and Cometic gaskets for unmatched reliability and longevity.
Perfect for restoring compression, oil pressure, and crank balance on high-hour or performance-built TRX400EX engines. Each component is precision-matched for OEM-level fitment and race-proven durability.
What’s Included
✅ Hot Rods Crankshaft Assembly – trued, balanced, and ready to install
✅ Vertex +1.00mm Oversize Piston Kit – piston, rings, wrist pin, and clips
✅ Complete Engine Gasket Kit – includes all top & bottom end gaskets
✅ Oil Seal Kit – major engine seals included
✅ Main Bearing & Seal Kit – OEM-spec crank bearings
✅ Water Pump Rebuild Kit – seals, bearings, and O-rings
✅ Transmission Bearing Kit – includes all gearbox bearings
✅ Countershaft Bushing & Seal Kit
✅ Cam Chain – precision-fit timing chain
Everything you need for a professional-grade rebuild in one box — no parts chasing, no guesswork.
Fitment
📦 Fits the following models:
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Honda TRX400EX Sportrax (2000–2004)
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Honda TRX400EX FourTrax (1999)
Key Features
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Complete top & bottom end rebuild kit
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Includes +1.00mm oversize Vertex piston for improved compression
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Premium OEM-grade components from Vertex and Hot Rods
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Bolt-on installation with no machine work required
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Ideal for full engine refresh, rebuild, or race prep
Displacement: 400 cc
Engine Type: 4-Stroke
Weight: 17.5 lb
Warranty Info
🛡️ Backed by Vertex / Wrench Rabbit Limited Manufacturer Warranty
All parts meet or exceed OEM specifications. Professional installation recommended.
Price & SKU
💲 Retail Price: $829.95
SKU: 0903-1444 / WR101-193
Estimated Shipping Weight: 17.5 lb
Handling: Ships next business day
📦 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
- Sneakers: 1–2 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.