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1972 Honda CB500K Brake & Clutch Parts

A brake or clutch order for the 1972 CB500K should begin with the component being serviced. Disc pads, drum shoes, cable controls and internal clutch plates have different applications and package sizes. Check the installed hardware before treating a replacement as interchangeable.

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Magura universal front master cylinder assembly 13mm

Magura Universal Front Master Cylinder Assembly ~ 13mm

$259.00 USD
08-0250
Build a custom front brake setup with this Magura Universal Front Brake Master Cylinder. Features a 13mm piston diameter, 12mm stroke, and a threaded...
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1972 Honda CB500K · Brake & Clutch Buying guide

Build the order around the component being repaired

Friction materials, hydraulic parts and clutch controls belong to separate repairs. The front pad set and rear shoe set each contain two pieces, while clutch plates are individual items. Compare supplied contents before adding quantities to the order.

Parts to consider

Honda CB Front Friction Pad Set ~ Replaces 45105-323-023 Front disc brake padsA two-pad set for the compatible front caliper; check both original pad profiles.View part 1971-78 Honda CB550 / CB500 Rear Friction Shoe Set ~ Replaces 43120-283-670 Rear drum brake shoesMatched two-shoe set for the rear drum, referenced to Honda 43120-283-670.View part 1971-73 Honda CB500K Clutch Cable ~ Replaces 22870-323-020 Model-specific clutch cableListed for the 1972 CB500K and Honda reference 22870-323-020; lever parts are separate.View part

Related parts: Master cylinder internal service kit · Replacement front caliper piston

Check the components adjoining the worn part

When selecting friction parts, check the caliper or rear drum and the retained hardware as well. Hydraulic leakage calls for a separate inspection of seals, hose connections and the master cylinder. Replacing a pad set does not renew those components or diagnose their condition.

Calculate the clutch order by part type

For the listed 1972 CB500K clutch, seven friction plates and six steel Plate B discs are specified. Each plate is supplied individually. The spring product contains four springs, so one spring set and one plate order are very different quantities; count the work planned before buying.

Common questions

Which dimensions should I compare before buying the front pad set?

The front package contains two pads of different shapes, measuring 52 x 20 mm and 52 x 12.8 mm. Compare both with the fitted caliper and locating features, especially after a brake change; one set services one compatible front caliper.

What must identify the existing cylinder before ordering its rebuild kit?

The kit references Honda 45530-377-305 for one compatible front master cylinder. Match the cylinder actually installed before choosing internal service parts. A new cylinder body or lever requires a separately listed assembly, with its own piston-size comparison.

How many individual clutch plates are specified for the 1972 stack?

The listed 1972 CB500K application uses seven friction plates and six steel Plate B discs. Each plate is supplied individually. Match the fitted clutch and Plate B reference 22321-KA4-700 before choosing quantities, particularly if the engine or clutch has changed.

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