Honda motorcycle parts
Choose your model and year to see parts listed for your bike.
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1972 Honda CB350K4 · Rear Wheel Retainers Buying guide
Honda identifies one 41231-286-000 retainer in the K4 rear wheel. The replacement ring and the matching tool are separate purchases, serving different stages of bearing service.
The retainer holds a bearing in the rear hub and needs a matching specialty tool for removal and installation. Identify the ring by its Honda reference and inspect the tool engagement points. Follow the K4 service instructions for the work rather than treating the ring as an ordinary nut.
The tool provides a 22mm hex and a 3/8-inch square drive, giving two ways to drive it with suitable workshop tools. It does not contain a replacement retainer or bearing. Check your existing equipment before ordering both the ring and the tool.
Honda’s K4 rear-wheel diagram places the 41231-286-000 retainer on the sprocket side. Use the original wheel diagram and part reference to identify it, particularly if the rear wheel has been changed.
This is a bearing-retainer tool. It engages the locking ring that must be serviced during rear-wheel work; it is not presented as a bearing puller or a replacement bearing.
They are separate products. The ring replaces 41231-286-000, and the tool is described for that reference plus 41231-429-000. Choose the replacement part and workshop tool according to what you need.
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