Yamaha YFZ 450 Crankshaft - Hot Rods - Factory assembled and trued to OEM specifications - `04-`09. This Hot Rods crankshaft is a complete, ready-to-install replacement built to OEM dimensions and balance for 2004–2009 YFZ 450 machines. It’s intended for riders and builders who need a dependable, assembled unit without sourcing individual components.

Factory assembled and trued to OEM specifications and supplied complete with connecting rods, wrist pin bearings and crankshaft webs, this Hot Rods unit offers a practical alternative to expensive OEM assemblies. Manufactured to DIN Class 9 or higher quality, the crankshaft provides consistent dimensions, hardened journals and precision balance to reduce installation time and support reliable operation for street or track use. Designed for enthusiasts planning restoration or performance builds, it maintains OEM fitment while serving as a solid foundation for customization.

Features

• Fits Yamaha YFZ 450 models 2004–2009
• Factory assembled and trued to OEM specifications
• Sold complete with connecting rods, wrist pin bearings and crankshaft webs
• Manufactured to DIN Class 9 or higher quality
• Ready for direct installation or further customization

If you have questions or need compatibility confirmation, call us directly and our tech staff will help: 512-982-9393 (TX) or 562-981-6800 (CA). We operate two service locations — Austin, Texas and the Los Angeles, California area — where we offer installation and customization services on premises. If you are thinking about purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.