One Way Starter Clutch Bearing Sprag For Yamaha YZF R1 2004 To 2008, FZ1N Fazer Naked 2006 To 2012, And FZ8S Fazer 2011 To 2015, High Strength And Abrasion Resistant With Stable Performance And Accurate Power Transfer Ride Ready

Enhanced Starter Clutch Sprag for Yamaha R1 and FZ
✔️ 1x Starter Clutch Assy for R1 (04-08) and FZ8 (11-15)

This aftermarket starter clutch sprag is a one-way element used in the motorcycle start system to engage the engine smoothly and protect the starter gear during startup. It’s commonly installed on YZF-R1, FZ1-N, and FZ8 models to ensure reliable engine starts.

✅ High strength and abrasion resistant steel construction
✅ Stable performance and accurate power transfer
✅ Hardened and ground roller for durability improvement
✅ Larger roller design increases holding force by approximately 50% compared to original

💡 What is a starter clutch sprag used for in motorcycle starter systems?

The sprag acts as a one-way torque transfer device, enabling the starter to engage the engine while preventing backdrive in the drivetrain for smoother starts.

- One-way torque transfer during start - Protects gears and starter shaft from shock - Compatible with Yamaha YZF-R1, FZ1-N, FZ8 models (04-15) - Replacement part number 5VY-15570-00-00