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1985 Honda CB450SC Nighthawk Swingarm Pivot Cap and Mount Bushing Selection

The swingarm choices for the 1985 Honda CB450SC Nighthawk address two different areas: a genuine Honda cap at the pivot sealing area and a dimensioned bushing between the rear shock and swingarm. Both are individual purchases. Identify the service location and retained hardware before counting or combining those pieces.

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Honda CB750 CB550 CB500 rear shock swingarm bushing 40548-268-000

Honda CB Rear Shock Swingarm Bushing ~ Replaces 40548-268-000

$6.20 USD
28-6918
Rear shock swingarm bushing designed to replace the original Honda component, matching OEM reference 40548-268-000. Fits between the shock and swingarm to provide proper...
Honda CB450 CB400 CB350 CB200 swingarm dust seal cap 52144-356-005

Honda CB Swingarm Dust Seal Cap ~ Genuine Honda 52144-356-005 ~ Replaces 52144-356-005

$24.95 USD
99-5170
This genuine Honda swingarm dust seal cap fits at the swingarm pivot / rear fork area on select Honda CB models. It helps cover...
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1985 Honda CB450SC Nighthawk · Pivot Cap and Shock Joint Bushing Buying guide

Identify the pivot cover and shock connection independently

Honda 52144-356-005 is an individual pivot dust-seal cap. The 40548-268-000 bushing is 19 mm long, with 22 mm OD and 10 mm ID, and is sold individually. Neither listing supplies a model-specific CB450SC total; the cap’s broader notes explicitly describe differing application quantities.

Parts to consider

Honda CB Swingarm Dust Seal Cap ~ Genuine Honda 52144-356-005 ~ Replaces 52144-356-005 Genuine Honda pivot dust-seal capOne 52144-356-005 cap supplied; confirm the cap locations and quantity required.View part Honda CB Rear Shock Swingarm Bushing ~ Replaces 40548-268-000 Individual shock-to-swingarm bushing40548-268-000 replacement, 19 mm long with 22 mm OD and 10 mm ID.View part

Check the cap reference and the actual pivot arrangement

The genuine cap supersedes several earlier references, including 52144-268-000, 52144-286-000, 52144-329-000, 52144-356-003 and 52144-965-005. Its listing warns about swapped swingarms and varied quantities. Confirm that reference path and the installed arrangement rather than assuming two caps for every listed motorcycle.

Use retained pivot condition to define work beyond the cap

Inspect pivot bushings or bearings, inner collar, seals and pivot bolt for corrosion, wear and correct lubrication. A new cap cannot correct play caused by worn pivot parts. Those findings help separate cap renewal from broader pivot service.

Common questions

Should I automatically buy two pivot dust caps for this motorcycle?

The cap is sold individually, and its description says different applications can use one or two. It gives no exact CB450SC total. Confirm the parts diagram and installed pivot arrangement, particularly after a swingarm swap, before choosing the individual cap quantity.

Which measurements should I verify for the shock-to-swingarm bushing?

The listed 40548-268-000 bushing is 19 mm long, 22 mm outside diameter and 10 mm inside diameter. Match all three and the shock-to-swingarm location. It is sold individually, with no stated CB450SC quantity or general pivot-bearing replacement promise.

What should I inspect if pivot movement prompted the dust-cap purchase?

The cap’s guidance names pivot bushings or bearings, the inner collar, seals and pivot bolt, including wear, corrosion and lubrication. It warns that a cap will not correct play from worn pivot parts. Use that inspection before limiting the order to protective caps.

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