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1978 Honda CB400TII Hawk II Suspension Service Parts

The Hawk II combines Comstar wheels with a hydraulic front disc, so its front end deserves model-specific identification. The service choices here include fork sealing parts, steering hardware and swingarm dust caps. Check the fitted assembly before selecting parts for a rebuilt or modified bike.

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Honda motorcycle parts

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Honda CB1000 CB900 CB750 CB550 chrome steering stem nut 90304-415-000

Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000

$9.95 USD
49-0786
Replace your steering stem nut with this Chrome Steering Stem Nut, hex nut size 30mm, replacing OEM #90304-415-000.Sold each. We also offer the matching...
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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 CB1000 CB900 CB750 CB550 steering stem washer 90503-283-000

Honda CB Steering Stem Washer ~ Replaces 90503-283-000

$3.50 USD
49-0787
Replace your steering stem washer with this Chrome Steering Stem Washer, replacing OEM #90503-283-000.Sold each, order the quantity you require.Key Features• Chrome steering stem...
Universal chrome shrouded 290mm shock absorber set side detail

Universal Motorcycle Shorty Shock Absorber Set ~ Chrome Shrouded 290mm

$119.95 USD
06-3591
Drop the back end with a clean all-chrome look using this Custom Shorty Shock Absorber Set. Chrome body and shroud with chrome progressive-wound springs,...
Universal black shrouded 290mm shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black Shrouded 290mm

$129.95 USD
06-3590
Get the shortened look with a bit more coverage using this Custom Shorty Shock Absorber Set featuring a black body and shroud with black...
Honda CB450 CB400 CB360 fork seals

Honda CB450 / CB400 / CB360 Fork Seals

$21.95 USD
27-1019
Replace your CB400 or CB360 fork seals with this Fork Seal Set, 33 x 46 x 11mm. Made in Japan by OEM supplier.Key Features•...
Honda CB450 CB400 CB360 CL360K0 fork dust boot set 91254-413-881

Honda CB Fork Dust Boot Set ~ Replaces 91254-413-881

$15.95 USD
73-0189
Refresh your fork seal dust boots with this Fork Seal Dust Boots Set of 2. 33mm size. Replaces OEM #91254-413-881.Key Features• Fork seal dust...
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Universal black 290mm eye-to-eye shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black Eye-to-Eye 290mm

$139.95 USD
06-3592
Go shorter with a different mounting configuration using this Custom Shorty Shock Absorber Set. Black body and shroud with black progressive-wound springs, 290mm (11...
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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Universal black 290mm shorty motorcycle shock absorber set

Universal Motorcycle Shorty Shock Absorber Set ~ Black 290mm

$139.95 USD
06-3589
Slam the back end with this Custom Shorty Shock Absorber Set, measuring 290mm (11 3/8") eye-to-clevis, noticeably shorter than stock for custom café, bobber,...
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1978 Honda CB400TII Hawk II · Suspension & Wheel Buying guide

Start with the fitted fork and mounting hardware

Work from the assembly being serviced: fork oil sealing, external dust protection, steering-stem fastening or swingarm pivot protection. Each job needs its own part, and a changed front end requires fresh measurement.

Parts to consider

Honda CB450 / CB400 / CB360 Fork Seals Fork oil-seal setJapanese-made replacement fork seals, specified as 33 × 46 × 11 mm for the 1978–79 CB400TII.View part Honda CB Fork Dust Boot Set ~ Replaces 91254-413-881 Fork dust-boot pairTwo 33 mm dust boots replacing Honda reference 91254-413-881.View part Honda CB Chrome Steering Stem Nut ~ Replaces 90304-415-000 Chrome steering-stem nutIndividual replacement nut with a 30 mm hex, corresponding to Honda reference 90304-415-000.View part

Related parts: Genuine Honda swingarm dust cap · Steering-stem washer

Plan the fork job as an assembly

Oil seals and external dust boots have different roles. The featured oil-seal set is specified at 33 × 46 × 11 mm, while the dust-boot pair is for 33 mm forks. Inspect the tube surfaces and retaining parts while planning the repair; new seals cannot correct damaged sliding surfaces.

Keep custom suspension choices separate

Do not choose suspension parts simply because they appear in a model filter. Check mounting configuration and clearances when a previous owner has changed the forks, wheel or shocks. Use the Hawk II service manual for procedures and tightening specifications rather than transferring settings from another CB model.

Common buying questions

Are these oil seals the same as the dust boots?

The oil seals retain fork oil inside the sliders; the dust boots protect the exposed sealing area. They are separate products, so inspect both before deciding which parts your repair needs.

How do I check whether my front end is original?

The 1978 Hawk II originally uses Comstar wheels and a hydraulic front disc. Compare the fitted wheel, brake and fork assembly with the model, and identify any replacement front end before ordering its service parts.

Will new fork seals fix pitted fork tubes?

Check the sliding surfaces before buying seals alone. Honda calls for inspection of scored or damaged fork parts; a repair may require more than replacement rubber to restore a sound sealing surface.

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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