Yamaha Raptor 350 / Warrior 350 Engine Rebuild Kit (+1.00 mm) 1987–2013
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Yamaha Raptor 350 / Warrior 350 (1987–2013) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit (+1.00 mm Piston)
Description
🛠️ Refresh your Yamaha’s legendary 350cc four-stroke engine with this Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-210).
Designed as a one-stop solution for full top and bottom end restoration, this kit includes every bearing, seal, and gasket you need — plus a new Hot Rods crankshaft and Vertex +1.00 mm oversize piston to bring your compression and performance back to life. Perfect for full rebuilds, upgrades, or restorations on both Raptor 350 and Warrior 350 models.
What’s Included
✅ Hot Rods Crankshaft Assembly (fully balanced & trued)
✅ Vertex +1.00 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, O-rings, and seals)
✅ Cam Chain
✅ Oil Seal Kit
Key Features
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💪 Complete Engine Rebuild Solution: All major internal components in one convenient package
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🔧 Hot Rods & Vertex Quality: OEM-level fitment and performance trusted by engine builders
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🏁 +1.00 mm Oversize Piston: Restores compression and torque for better throttle response
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⚙️ Direct OEM Fit: Perfect match for stock or mildly built motors
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🚀 Ideal for Restorations & Performance Builds: Reliable upgrade for aging or worn engines
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🧰 All-Inclusive Kit: Simplifies rebuilds and guarantees component compatibility
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 replacement — no modifications required. Compatible with OEM or aftermarket top ends.
Warranty Info
🛡️ Protected by Wrench Rabbit / Hot Rods Limited Warranty.
All components meet or exceed OEM durability standards. Professional installation recommended.
Price & SKU
💲 Retail Price: $829.95
SKU: 0903-1461 / WR101-210
Estimated Shipping Weight: 18.9 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.