New UPPER Cases Crankcase OEM Factory Top Engine Motor Yamaha Banshee 1987-2006

  New UPPER Cases Crankcase OEM Factory Top Engine Motor Yamaha Banshee 1987-2006 ,Revive your Yamaha Banshee 350 with this brand-new OEM Upper Crankcase (Top Engine Case), designed to fit all models from 1987 to 2006. Manufactured to original factory specifications, this upper crankcase is a direct replacement for your worn, cracked, or damaged engine case—ensuring the same precise tolerances, reliability, and performance you expect from genuine Yamaha parts.

Whether you’re rebuilding a tired motor, restoring a classic Banshee, or prepping a race-ready two-stroke, this OEM top crankcase provides the foundation for a strong and reliable engine. Built with high-grade aluminum alloy and precision-machined for exact alignment, it ensures proper sealing, bearing support, and crankshaft placement—critical for high-RPM performance and long-term durability.

🔩 Key Features:

• OEM Genuine Yamaha Part – not aftermarket or reproduction

• Fits All Yamaha Banshee 350 Models: 1987–2006

• Upper Crankcase / Top Engine Case Only

• Perfectly Machined for Factory Fit & Finish

• Durable Cast Aluminum Construction

• Ready for Assembly with OEM or Performance Components

🛠️ Fitment:

• Make/Model: Yamaha Banshee 350

• Years: 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006

• Engine: 350cc Twin-Cylinder 2-Stroke

🛞 Perfect For:

• Complete engine rebuilds

• Cracked or damaged case replacement

• High-performance engine builds

• OEM restorations or classic Banshee projects

✅ Why Choose OEM?

OEM parts are engineered by Yamaha to deliver exact fitment, maximum reliability, and peak performance. Avoid the headaches of poor tolerance aftermarket cases—go with factory-original for peace of mind and proper engine alignment.