Yamaha Raptor 660 (2001–2005) +0.50 mm Engine Rebuild Kit – Vertex / Wrench Rabbit
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Yamaha Raptor 660 (2001–2005) Complete Engine Rebuild Kit – Vertex / Wrench Rabbit (+0.50 mm Overbore)
Description
🛠️ Bring your Yamaha Raptor 660 back to life with the Vertex / Wrench Rabbit Complete Engine Rebuild Kit (WR101-213) — a full top-and-bottom-end solution featuring a +0.50 mm Vertex oversize piston, Hot Rods crankshaft, and every gasket, bearing, and seal you’ll need. Designed for reliability, torque, and consistent trail power, this kit delivers a mild compression boost and fresh OEM-quality performance in one convenient package.
What’s Included
✅ Hot Rods Crankshaft Assembly (trued & balanced)
✅ Vertex +0.50 mm Oversize Piston Kit (piston, rings, 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 Rebuild: Top and bottom end components in one box
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⚙️ +0.50 mm Overbore: Restores compression and boosts displacement to ~663 cc
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🧩 OEM-Quality Parts: Vertex pistons + Hot Rods crank for precision fitment
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🔧 Direct Fitment: Bolts in with no case mods; requires cylinder hone only
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🏁 Trail & Dune Proven: Ideal for reliable power in harsh riding conditions
Fitment
📦 Fits the following Yamaha models and years:
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2001 – 2005 Yamaha YFM660R Raptor
Warranty Info
🛡️ Covered by Wrench Rabbit / Hot Rods Limited Warranty
Professional installation recommended
Price & SKU
💲 Retail Price: $1,218.95
SKU: 0903-1464 / WR101-213
Estimated Shipping Weight: 22.8 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.
