Yamaha Raptor 350 / Warrior 350 Engine Rebuild Kit (+0.50 mm) 1987–2013
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Yamaha Raptor 350 / Warrior 350 (1987–2013) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit (+0.50 mm Piston)
Description
🛠️ Bring your Raptor or Warrior back to life with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-209) — the ultimate all-in-one solution for rebuilding your 350cc four-stroke engine.
This comprehensive package includes a balanced Hot Rods crankshaft, Vertex +0.50 mm piston kit, and every gasket, bearing, and seal you’ll need for a complete professional-grade rebuild. Perfect for trail riders, racers, and anyone restoring Yamaha’s legendary mid-class ATV engines.
What’s Included
✅ Hot Rods Crankshaft Assembly (balanced & trued)
✅ Vertex +0.50 mm Oversize Piston Kit (piston, rings, pin, clips)
✅ Main Bearing & Seal Kit
✅ Transmission Bearing Kit
✅ Countershaft Bushing / Seal Kit
✅ Water Pump Rebuild Kit
✅ Complete Engine Gasket Kit (top & bottom end, seals, and O-rings)
✅ Cam Chain
✅ Oil Seal Kit
Key Features
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💪 Complete Engine Solution: All critical components for a full bottom-to-top rebuild
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🔧 Hot Rods + Vertex Precision: Factory-matched parts ensure reliability and performance
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🏁 +0.50 mm Oversize Piston: Restores compression and power without altering stroke
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⚙️ OEM-Quality Materials: All parts meet or exceed Yamaha factory standards
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🚀 Ready for Any Terrain: Ideal for dunes, trails, or sport riding
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🧰 All-in-One Convenience: Simplifies rebuilds and eliminates compatibility guesswork
Fitment
📦 Fits the following Yamaha models:
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2004–2013 Yamaha YFM350 Raptor
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1987–2004 Yamaha YFM350X Warrior
Direct bolt-on compatibility with OEM engine components — no modifications required.
Warranty Info
🛡️ Backed by Wrench Rabbit / Hot Rods Limited Warranty.
All kits are assembled with premium-grade components and engineered for durability.
Price & SKU
💲 Retail Price: $852.95
SKU: 0903-1460 / WR101-209
Estimated Shipping Weight: 18.7 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.