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1968 Honda CB350K0 Steering Bearings & Hardware

Honda’s original CB350K0 steering uses ball bearings and a steering damper. Identify what is fitted now, then decide whether the job calls for a tapered-bearing conversion or a replacement stem washer. Any changed top hardware needs its own compatibility check.

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Currently viewing Steering Hardware & Dampers

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Honda CB1000 CB900 CB750 CB550 steering stem washer 90503-283-000

Honda CB Steering Stem Washer ~ Replaces 90503-283-000

$3.50 USD
49-0787
Replace your steering stem washer with this Chrome Steering Stem Washer, replacing OEM #90503-283-000.Sold each, order the quantity you require.Key Features• Chrome steering stem...
Honda CB750 CB650 CB550 CB450 CB400 steering bearing kit (2)

Honda CB Steering Bearing Kit (2)

$69.95 USD
28-2011
Upgrade your steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the contact area...
Honda CB750 CB650 CB550 CB450 CB400 steering bearing kit

Honda CB Steering Bearing Kit

$69.95 USD
28-2011
Upgrade your steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the contact area...
Sold out
Honda CB750 CB550 black steering stem nut joker machine 90304-415-000

Honda CB Black Steering Stem Nut ~ Joker Machine ~ Replaces 90304-415-000

$47.95 USD
12-0073
Dress up your steering stem with this Joker Machine Black Steering Stem Nut, 30mm hex, replacing OEM #90304-415-000. High-quality CNC-machined and made in the...
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1968 Honda CB350K0 · Steering Bearings & Hardware Buying guide

Check the bearing conversion and retained steering hardware

The tapered bearing kit and chrome stem washer address separate parts of the steering assembly. Inspect the existing bearings and original damper arrangement before choosing components for an early K0 restoration.

Parts to consider

Honda CB Steering Bearing Kit Tapered steering bearing conversionConversion kit with upper and lower tapered bearing races, listed for CB350K 1968–72.View part Honda CB Steering Stem Washer ~ Replaces 90503-283-000 Chrome steering-stem washerReplacement for Honda 90503-283-000, supplied individually.View part

Order one complete conversion, not duplicate listings

The tapered kit includes upper and lower bearing races and is listed for the 1968–72 CB350K. Two catalog entries carry the same kit reference; they are not separate upper and lower purchases. Follow the kit’s installation guidance and the service checks for the installed steering assembly.

Retain the correct top hardware arrangement

The chrome washer replaces reference 90503-283-000 and is sold individually. Inspect the stem, seating surfaces and damper components while the assembly is accessible. Cosmetic top-hardware changes need a separate compatibility check; they do not replace bearing inspection or establish the correct adjustment.

Buying questions

Is the tapered kit a standard ball-bearing replacement?

It is a tapered-roller conversion rather than a set of original loose steel balls. Check whether the motorcycle already has a conversion, and use the instructions appropriate to the chosen bearing arrangement.

Do the two kit listings mean I need to buy both?

Both current listings describe the same complete conversion and share the same kit reference. The featured one includes upper and lower races; the duplicate listing does not represent the other half of the steering head.

What else matters when changing the stem’s top hardware?

The original K0 steering arrangement includes a damper. Check how its components pass through and attach to the stem before choosing different top hardware, particularly if the front end has already been modified.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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