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1973 Honda CB350F0 Steering-Stem Hardware

Steering-stem hardware for the 1973 CB350F0 includes a chrome nut, its separate washer and a black Joker Machine alternative. Match the nut to the installed stem and inspect the washer before choosing a finish for the top of the assembly.

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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 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...
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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1973 Honda CB350F0 · Steering-Stem Hardware Buying guide

Match the stem hardware before choosing a finish

The two nut options share the listed 90304-415-000 application and a 30mm hex. The washer has its own reference and is ordered separately, so inspect the complete top-stem arrangement before buying.

Parts to consider

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome steering-stem nut30mm hex nut replacing reference 90304-415-000; sold individually.View part Honda CB Black Steering Stem Nut ~ Joker Machine ~ Replaces 90304-415-000 Black Joker Machine stem nutCNC-machined nut with a 30mm hex and reference 90304-415-000 application; made in the USA.View part Honda CB Steering Stem Washer ~ Replaces 90503-283-000 Chrome stem washerSeparate washer replacing reference 90503-283-000; sold individually.View part

Compare chrome and black options

The chrome replacement and black Joker Machine nut use a 30mm hex. The black option is CNC-machined and made in the USA. Select the appearance only after confirming the listed nut reference and the steering stem fitted to the motorcycle.

Keep adjustment and trim distinct

Replacing the visible nut or washer does not establish the condition or adjustment of the steering bearings. Inspect the assembly and follow the service manual for tightening and adjustment. The separate chrome washer replaces reference 90503-283-000 and is sold individually.

Steering-Stem Hardware questions

Does 30mm describe the nut’s thread?

No. The product specification identifies a 30mm hex size. Match the listed application and installed steering stem rather than using the wrench size as a thread-diameter specification.

Is the washer supplied with the chrome nut?

The matching chrome washer is a separate product, sold individually. Inspect the washer already fitted and order it separately if it needs replacement alongside the nut.

Will the black nut work on a swapped front end?

Compare the replacement steering stem and its nut specification first. A front-end swap may change the threaded connection, so the original CB350F model application is not enough to establish fitment.

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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