Yamaha YBR125 / YS125 / YB125Z Steering Head Bearing Kit
Replacement steering head / headrace bearing set for compatible Yamaha 125 models. Ideal for replacing worn steering bearings that can cause notchy, stiff or loose steering.
Key Details
- Aftermarket replacement steering head bearing kit
- Also searched as headrace bearings, headstock bearings and steering stem bearings
- Supplied as pictured
- For Yamaha applications using the same race and ball-retainer family
Yamaha OE / OEM Cross-Reference Numbers
- B6E-23412-00 – Race, Ball (2)
- 4FP-F3411-20 – Race, Ball 1
- 4FP-F3411-00 – earlier related reference
- 183-23411-00 – earlier related reference
- 5VL-F341E-00 – Retainer, Ball Bearing
- 4FP-F3412-00 – related steering race reference used in YS125 assemblies
These are Yamaha OE cross-reference numbers for identification only. This listing is for an unbranded aftermarket replacement part, not a genuine Yamaha item.
Researched Applications
- Yamaha YBR125 – including EFI-era models; aftermarket catalogue coverage found for approximately 2008–2016
- Yamaha YS125 – 2017-on steering assemblies use the same B6E / 4FP / 5VL race and retainer family
- Yamaha YB125 / YB125Z – aftermarket catalogues list this bearing family across 2006–2023 applications
Compatibility Check
Yamaha specifications can vary by model code, market and production date. Before ordering, compare the parts shown in the photos and the OE reference numbers with the steering races and retainers fitted to your motorcycle. If your original arrangement is different, do not assume fitment from engine size alone.
Delivery & Returns
- Free UK delivery with an estimated 2–3 working-day service
- 30-day returns, subject to the item being returned in its original condition