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1959 Honda CB92 Fasteners & Hardware

Replace worn retaining hardware on your 1959 Honda CB92 by matching the nut to its assembly position. The featured 16mm slotted locknut is sold individually under reference 90231-KCS-651. Check the diagram location before ordering, particularly for an engine with changed components.

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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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1959 Honda CB92 · Fasteners & Hardware Buying guide

Match the locknut to the exact retaining position

Reference, location and quantity matter more than a broad hardware category. Establish which retaining nut the assembly requires, confirm the proposed replacement number, and order for the specific position being serviced.

Parts to consider

Honda CB 16mm Clutch / Oil Filter Rotor Lock Nut ~ Genuine Honda 90231-KCS-651 ~ Replaces 90231-KCS-651 16mm slotted retaining nut16mm slotted locknut, reference 90231-KCS-651, supplied individually. Check the retaining position in the parts diagram before ordering.View part

Use the part reference with the retaining position

The current locknut reference is 90231-KCS-651, with a listed application including the 1959–62 CB92. Keep the original diagram reference and assembly details together when checking an older number. A replacement number is useful only when it identifies the nut required at that position.

Check the rest of the retaining arrangement

Inspect the nut alongside the mating component and consult the parts diagram for any associated retaining pieces. Replacing one worn part does not establish that the whole arrangement is serviceable. Use the appropriate manual for inspection criteria and tightening instructions rather than estimating from the nut’s size.

Locknut ordering questions

How many locknuts should I order for the job?

The locknut is sold individually. Count the matching retaining positions in the assembly you are servicing; the product’s general “commonly one” note does not establish a total for all clutch and rotor work on the motorcycle.

Is the 16mm description enough to match another nut?

Use the full part reference and retaining position as well as the size description. For changed assemblies, confirm the thread and seating details before substituting hardware that merely shares a nominal size.

What should I provide when checking an older part number?

Provide the number from the correct parts diagram, the retaining position and the installed engine or assembly identity. Compare these with 90231-KCS-651 before ordering, especially where earlier work introduced replacement components.

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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