Yamaha 660 Complete Engine Rebuild Kit – Rhino & Grizzly

✅ Yamaha Rhino & Grizzly 660 COMPLETE Engine Rebuild Kit – All Years & Models

THE MOST COMPLETE REBUILD KIT EVER OFFERED FOR THE 660 ENGINE FAMILY
No shortcuts. No guesswork. This kit rebuilds everything from the crank up — with upgraded internals, better-than-OEM parts, and full compatibility across all Rhino and Grizzly 660 models from 2002–2008.

🔧 What’s Included:

• Aftermarket Cylinder – Direct bolt-on, no sleeving or machining required

• Forged High Compression Pump Gas Piston – Safe for premium pump fuel, built for power

• Nitrided Piston Rings, Chrome Wristpin, and Circlips

• Hotrods or Wiseco Crankshaft w/ Connecting Rod (Fully Assembled)

• Complete Gasket Kit – Includes MLS head gasket for durability under pressure

• Oil Seal Kit – Covers all seals for a proper rebuild

• Water Pump Mechanical Seal

• Head Stud Kit – Upgraded hardware for maximum clamping force

• Timing Chain & Oil Pump Chain – Replace instead of reusing worn internals

• Aftermarket Oil Pump & Water Pump – Fully assembled and ready to bolt on

• Crank Bearings – Includes one pressed on crank, one loose

• Crank Balancer Bearings

• Transmission Bearings

• Clutch Bearings

• Shift Cam Bearing

• Water Pump Bearing

💡 Key Benefits:

🔩 Everything You Need – In One Box – Don't piece it together from random sellers. This is the full package.
🔥 Built for Power + Longevity – Forged piston, nitrided rings, performance crank, and upgraded pumps keep you riding harder, longer.
🧊 Cooling + Reliability – New water pump, seals, and bearings mean cooler temps and fewer failures.
⚙️ Complete Bearing Overhaul – Every bearing from the crank to the clutch is covered.
✅ MLS Head Gasket + Stud Kit – Seals that stay sealed, even with increased compression and heat.

📦 Fitment:

Fits All Yamaha Rhino 660 & Grizzly 660 Models (2002–2008):

Full compatibility across all trims including Hunter Edition, Ducks Unlimited, Sport, Exploring, SE, and LE variants.

📋 Detailed Compatibility List (38 Models):

🦏 Yamaha Rhino 660 (2004–2007):
YXR660FA, YXR660FAEX Exploring Edition, YXR660FAH Hunter Edition, YXR660FDU Ducks Unlimited, YXR660FSE Special Edition, YXR660FSP Sport Edition

🐻 Yamaha Grizzly 660 (2002–2008):
YFM660F, YFM660FA, YFM660FG, YFM660FGH Hunter Edition, YFM660FAH Hardwoods, YFM660FAHW Wetlands, YFM660FAHD Ducks Unlimited, YFM660FLE Limited, YFM660FASE Special Edition