🛠️ Raptor 660 102mm 686cc Big Bore Complete Engine Rebuild Kit – Fits All Years

Upgrade your Yamaha Raptor 660 with this complete 686cc big bore top and bottom end rebuild kit. Perfect for riders who want more torque and durability without needing machine work.

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Breathe new life into your Raptor 660 with this 102mm big bore rebuild kit. Includes forged piston, heavy-duty crank, full gasket and seal kits, bearings, and more. Built for serious power and longevity—no machining required!

✅ What’s Included

• 102mm Big Bore Cylinder

• Wiseco, JE, or CP Forged Piston**

• Hi-Temp Piston Rings

• Chrome Wristpin & Circlips

• Hotrods or Wiseco HD Crankshaft (fully assembled)**

• HD Crank Bearings (1 pre-installed)

• Water Pump Mechanical Seal & Bearing

• Transmission Bearings

• Shift Cam Bearing

• Clutch Kit

• Top & Bottom End Gasket Kits

• Complete Oil Seal Kit

• Cam Timing Chain

• Head Stud Kit

• Stickers

**Brand may vary depending on stock. All options are premium-grade and interchangeable. Contact us for brand-specific requests.

📦 Fitment

Fits ALL Yamaha Raptor 660 models and years, including:

• 2001 Raptor 660R

• 2002 Raptor 660R

• 2003 Raptor 660R

• 2004 Raptor 660R

• 2005 Raptor 660R

🛡️ Warranty Info

All components are brand new and backed by the original manufacturers' warranties.
⚠️ Professional installation is strongly recommended. Warranty does not cover issues caused by improper assembly, tuning, or break-in. For any warranty to be considered, physical parts must be returned for inspection.