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1981 Honda CB400TB Steering Bearings & Hardware

Choose the steering parts for the repair you actually need on the 1981 CB400TB. The tapered bearing conversion kit addresses the steering bearings, while the chrome stem nut and washer are separate top-bridge hardware choices with their own Honda references.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Steering Hardware & Dampers

Honda motorcycle parts

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Honda CB1000 CB900 CB750 CB550 chrome steering stem nut 90304-415-000

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000

$9.95 USD
49-0786
Replace your steering stem nut with this Chrome Steering Stem Nut, hex nut size 30mm, replacing OEM #90304-415-000.Sold each. We also offer the matching...
Honda CB750 CB550 CB500 CB450 CB400 fork cap o-ring (set 2) 94608-50000

Honda CB Fork Cap O-Ring (Set/2)

$2.95 USD
49-0790
Replace your fork cap O-rings with this Fork Cap O-Ring Set of 2, replacing OEM #94608-50000 (qty 2).Key Features• Fork cap O-rings• Set of...
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...
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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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1981 Honda CB400TB Hawk · Steering Bearings & Hardware Buying guide

Separate steering bearing work from the top fastener

A worn bearing and a damaged stem nut call for different parts. Check the existing bearing arrangement and top-bridge hardware before deciding whether the job needs a conversion kit, individual hardware or both.

Parts to consider

Honda CB Steering Bearing Kit Tapered steering bearing kitConversion kit listed for the 1981 CB400T, with upper and lower tapered bearing races.View part Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome steering stem nutReplacement for 90304-415-000 with a 30 mm hex; sold individually.View part Honda CB Steering Stem Washer ~ Replaces 90503-283-000 Steering stem washerReplacement for 90503-283-000; sold individually and separate from the stem nut.View part

Understand the conversion-kit scope

The steering kit is listed for the 1981 CB400T and includes upper and lower tapered bearing races. Check the required sealing and spacer arrangement before starting; do not assume every dust seal, washer or top nut is included. Follow the appropriate bearing installation and adjustment instructions.

Identify the top hardware accurately

The chrome nut has a 30 mm hex and replaces 90304-415-000. The separate washer replaces 90503-283-000. Honda shows one of each on the original top bridge, and both are sold individually. The hex size identifies the wrench flats, not the thread diameter.

Buying questions

Will a new top nut fix notchy steering?

A top nut is separate from the steering bearings. Have the source of notchy or loose steering assessed before ordering; bearing damage, adjustment and worn mounting hardware need the appropriate inspection rather than a cosmetic hardware replacement.

Does the bearing kit contain the stem nut and washer?

The supported kit contents are the upper and lower tapered bearing components; the stem nut and washer are separate products. Inspect your existing hardware and order those separately if they need replacing.

How should I match the nut on a changed front end?

Identify the actual steering stem, thread and top-bridge arrangement first. The 30 mm hex and Honda reference describe this listed replacement; the motorcycle’s year alone cannot establish compatibility with an aftermarket or swapped stem.

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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