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1972 Honda CB750K Fasteners & Hardware

This route currently contains one Honda lock-nut listing. The product describes clutch and oil-filter-rotor applications across several models. For your CB750K, verify the exact assembly and part reference in its parts diagram before choosing the nut.

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Honda CB1100 CB1000 CB900 CB750 16mm clutch oil filter rotor lock nut 90231-KCS-651

Honda CB 16mm Clutch / Oil Filter Rotor Lock Nut ~ Genuine Honda 90231-KCS-651 ~ Replaces 90231-KCS-651

$10.95 USD
99-5383
This genuine Honda 16mm lock nut is used on compatible Honda CB clutch basket and oil filter rotor assemblies. It is a small hardware...
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1972 Honda CB750K · Fasteners & Hardware Buying guide

Identify the lock nut by assembly and reference

Use the listed Honda reference to check the component in the installed assembly. A broad model list does not establish that every application named in the description exists on every motorcycle.

Parts to consider

Honda CB 16mm Clutch / Oil Filter Rotor Lock Nut ~ Genuine Honda 90231-KCS-651 ~ Replaces 90231-KCS-651 Honda 16mm lock nutGenuine Honda lock nut, reference 90231-KCS-651, sold individually. Confirm its required assembly location before ordering.View part

Use a part reference rather than a broad name

Use reference 90231-KCS-651 to identify the required nut in the fitted assembly. The broad clutch and oil-filter-rotor description spans several motorcycles; it does not assign every named application to the 1972 CB750K.

Check the installed assembly

Compare the required nut with the fitted engine or clutch assembly, particularly after component changes. The listing states a 16mm lock nut but does not give a complete thread specification. Do not convert that size into an assumed pitch or select an alternative nut from it.

Buying questions

Is this a genuine Honda nut or an aftermarket replica?

The product identifies this nut as genuine Honda, reference 90231-KCS-651. That describes its manufacture; the exact assembly location still needs confirming before it is selected for your repair.

Does the model list prove the nut fits every named location?

The listing spans multiple models and names clutch and oil-filter-rotor applications. Check the parts diagram for the exact installed assembly. The model list alone does not prove every named location applies to your CB750K.

Is it supplied as a set?

The listing states that the nut is sold as each. It is not described as a complete hardware set. Sold individually; order the quantity required after confirming the nut reference and application.

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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