WISECO CRANKSHAFT BOTTOM KIT YAMAHA YFZ350 BANSHEE 1987-2006

The Wiseco Crankshaft Kit WPC100 is a complete bottom-end rebuild kit for Yamaha YFZ350 Banshee models. It includes a precision-trued crankshaft, bottom-end gasket and seal set, crank bearings, and small-end bearings. Designed for superior performance and durability, this kit meets OEM specifications and ensures reliability for high-performance applications.

Features:

• Precision-trued to OEM specifications and factory-assembled.
• Double-forged connecting rods for superior dimensional consistency and improved grain flow.
• Shot-peened rods eliminate residual stresses and improve durability.
• Corrosion-resistant surface treatment for extended lifespan.
• Case-hardened rod bores (58-62 RC) optimize bearing surfaces.
• Optimized radial running clearance for maximum crank pin bearing performance.
• Precision honing for ultra-round bearing surfaces.
• Engineered oiling slots enhance rod strength and bearing life.
• Double-drilled small ends ensure enhanced piston pin lubrication and cooling.
• Silver-coated bronze phosphor thrust washers reduce friction and improve oil retention.
• Crank pin bearings made of high-quality hot-rolled steel, case-hardened to 58-62 RC.
• Caged needle roller bearings allow for high RPM operation.
• Precision-machined crank webs for reliability and balance.
• Includes premium main bearings and a complete bottom-end gasket set with all seals and gaskets required for installation.

Compatible Models:

• Yamaha YFZ350 Banshee (1987–2006)
• Yamaha YFZ350LE Banshee Limited Edition (2003–2005)
• Yamaha YFZ350SE Banshee Special Edition (2005–2006)
• Yamaha YFZ350SP Banshee 50th Anniversary Edition (2006)

Part Number: WPC100

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.