OEM Yamaha Raptor 700 Crankcase Assembly (1S3-15100-08-00)

🔧 Genuine Yamaha Engine Crankcase – Complete Assembly. This OEM Yamaha Crankcase Assembly includes both left and right engine case halves. Yamaha does not sell these individually — this is the complete matched set used in all 2006–2012 Raptor 700 models, including SE and GYTR editions.

If your engine case is cracked, worn, or beyond repair, this genuine replacement is exactly what you need to restore your bottom end to factory specs. Built to Yamaha’s strict tolerances and ready to handle high-performance abuse.

✅ Key Features:

• OEM Yamaha Part #: 1S3-15100-08-00
• Includes: Both crankcase halves (left and right)
• Factory Fit & Finish: No aftermarket guesswork — direct bolt-on
• High-Strength Aluminum Alloy: Built to Yamaha's performance standards

📦 Fitment:

• Yamaha Raptor 700 (2006–2011)
• Yamaha Raptor 700R (2012)
• Yamaha Raptor 700 SE / GYTR / Special Edition II (2007)

📦 Shipping Info:

• Expected Ship Time: Ships in approx. 2 weeks
• Units: Kit (2 case halves)

🛡️ Warranty & Notes:

This is a brand-new OEM Yamaha part. Installation by a certified technician is strongly recommended. Crankcase assembly must be properly matched and sealed for engine integrity. No returns on installed engine internals.

💬 Questions?

Need help verifying fitment or matching this part to a build? Call or text us at 541-668-7503 or chat with our tech team live.