One Way Bearing Starter Overrunning Clutch For Yamaha YZF R1 2004 2008 And FZ1000 2005 2007 YZF1000 2005 2006 Bolt In Ready Fully Assembled With Hardened Sprague Rollers And A Forged Steel Hub For Reliable Performance

Bolt-In One-Way Starter Clutch for Yamaha R1 & FZ1000
✔️ Single unit, bolt-in, fully assembled with hardened hub

This single-unit, bolt-in starter overrunning clutch is the ready-to-install solution for motorcycles, designed for Yamaha YZF-R1 (2004-2008) and FZ1000 (2005-2007). It features a forged steel hub and hardened Sprague rollers for reliable performance under start-up loads.

✅ One-Way bearing fully assembled with hardened Sprague rollers
✅ Bearing hub machined from forged, hardened steel and induction heat-treated
✅ Forged steel housing for durability and rigidity
✅ Bolt-in fit for Yamaha YZF-R1 (2004-2008) and FZ1000 (2005-2007) models

💡 What is a one-way starter clutch and how does it work in motorcycle transmissions? This handy component lets the engine engage the output one way, protecting the drive system. - It engages only when the crank rotates forward, preventing back-drive. - It reduces wear by absorbing startup shock and protecting gears. - It’s commonly used in sport bikes for reliable starter protection and smoother starts.