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1972 Honda CB450K Clutch Plates & Tab Washer Checks

Build the plate order for your 1972 CB450K from the clutch actually retained and the components needing renewal. Friction and steel plates have different references and required counts. Verify supplied quantities before calculating purchases, then assess locking hardware independently of those two plate choices.

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Currently viewing Clutch Plates & Springs

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Honda CB1100 CB1000 CB900 CB750 CB500 clutch tab washer 90431-292-000

Honda CB Clutch Tab Washer ~ Replaces 90431-292-000

$7.50 USD
73-0839
Replace your clutch tab washer with this Clutch Washer, 16mm size, replacing OEM #90431-292-000.Key Features• Clutch tab washer• 16mm size• Replaces OEM #90431-292-000• Honda...
Honda CB750 CB700 CB500 CB450 CL450K0 steel clutch plate 22321-MG8-000

Honda CB Steel Clutch Plate ~ Replaces 22321-MG8-000

$11.95 USD
39-1409
Replace your SOHC CB750, CB700SC Nighthawk, CB500T, or CB450/CL450 steel clutch plate with this Steel Clutch Drive Plate, replacing OEM #22321-MG8-000 / #22321-283-000.Order the...
Honda CB1000 CB500 CB450 CL450K0 clutch friction plate 22201-MA7-000

Honda CB Clutch Friction Plate ~ Replaces 22201-MA7-000

$8.95 USD
39-1046
Replace your clutch friction plates with this Clutch Friction Plate, replacing OEM #22201-MA7-000 / #22201-283-000.Order the number of pieces required for your model.Key Features•...
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1972 Honda CB450K · Clutch Plates & Springs Buying guide

Calculate plate purchases from confirmed supply quantities

The descriptions state seven friction pieces and six steel pieces per CB450K. They ask for the required number without expressly identifying complete supplied packs. The separate tab washer uses reference 90431-292-000 and a 16mm size label, rather than a full dimensional specification.

Parts to consider

Honda CB Steel Clutch Plate ~ Replaces 22321-MG8-000 Steel drive plate with stated application countPlate referencing Honda 22321-MG8-000 / 22321-283-000. Six pieces are stated per CB450K. The description asks you to order the pieces required but does not explicitly name a supplied six-plate pack.View part Honda CB Clutch Friction Plate ~ Replaces 22201-MA7-000 Friction plate with stated application countPlate referencing Honda 22201-MA7-000 / 22201-283-000. The CB450K uses seven pieces according to the description. Confirm the quantity actually supplied by a purchase before treating that required count as an order size.View part Honda CB Clutch Tab Washer ~ Replaces 90431-292-000 Clutch locking tab washerWasher referencing Honda 90431-292-000 and described as 16mm. Compare the removed hardware; the listing does not define every dimension or identify the washer as included with either plate product.View part

Keep the two plate references distinct throughout the order

Friction plates reference 22201-MA7-000 / 22201-283-000; steel plates reference 22321-MG8-000 / 22321-283-000. Compare each with the corresponding component removed. A replacement clutch needs its own identity and quantity checks before applying the motorcycle’s listed plate counts.

Identify additional clutch work separately from the plate purchase

Neither plate description itemizes springs or a tab washer as included. The washer has its own listing and limited dimensional information. Inspect the retained locking hardware and other clutch components to establish the wider repair scope without treating these separate products as a complete service package.

Clutch plate quantities and hardware questions

Does the six-steel-plate figure confirm one purchase supplies six?

It states the CB450K application requirement. The description does not explicitly name a six-piece pack. Confirm the supplied quantity first, then calculate the pieces needed for the identified clutch and the extent of the repair.

How should I use the washer’s 16mm description for a changed clutch?

The label does not define which dimension it represents or supply a full drawing. Compare reference 90431-292-000 and the removed washer, then confirm the measurements needed by the changed locking hardware before choosing it.

Can plate purchases be used as a complete clutch-parts checklist?

They describe friction and steel plates with application counts, without itemizing every clutch service component. Identify springs, locking hardware and other repair needs from the clutch retained on the bike, then verify the contents and quantity of those separate purchases.

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