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1978 Honda CB400TI Hawk I Valvetrain Parts

Cylinder-head work needs a parts list based on the components being repaired. These Hawk I choices cover an exhaust valve and individual valve-guide retaining clips. Keep the valve position and guide work clear before ordering pieces that perform different jobs.

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Honda CB400 CB450 exhaust valve 14721-413-000

Honda CB400 / CB450 Exhaust Valve ~ Replaces 14721-413-000

$19.95 USD
01-9962
Restore proper engine performance with this Exhaust Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part number...
Honda CB750 CB450 CB400 CB360 CB77 valve guide clip 12211-250-310

Honda CB Valve Guide Clip ~ Replaces 12211-250-310

$1.95 USD
73-0939
Replace your valve guide clip with this Valve Guide Clip, replacing OEM #12211-250-310.Sold each, order the quantity you require.Key Features• Valve guide clip• Replaces...
New
Honda CB400 CB450 intake valve 14711-235-010

Honda CB400 / CB450 Intake Valve ~ Replaces 14711-235-010

$19.95 USD
01-9961
Restore proper engine performance with this Intake Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part number...
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1978 Honda CB400TI Hawk I · Valvetrain Parts Buying guide

Separate exhaust-valve work from guide retention

The exhaust valve uses reference 14721-413-000. The smaller 12211-250-310 clip retains a valve guide; buying one does not replace the guide itself or establish its condition.

Parts to consider

Honda CB400 / CB450 Exhaust Valve ~ Replaces 14721-413-000 Replacement exhaust valveExhaust valve for the CB400TI cylinder head, replacing Honda reference 14721-413-000.View part Honda CB Valve Guide Clip ~ Replaces 12211-250-310 Valve-guide retaining clipClip replacing Honda reference 12211-250-310. Sold individually; order the number required for the guides being serviced.View part

Let cylinder-head inspection guide the order

A replacement exhaust valve is only one part of a cylinder-head repair. Have the valve seat and guide condition assessed before choosing the final parts list. Use the service manual and qualified machining advice for clearances and any required seat work.

Buy retaining clips by the work being done

The separate clip is useful when a guide is being serviced and its retaining hardware needs replacement. Order the number required for that work. It is not a valve-stem seal or a replacement guide, so keep those requirements on a separate inspection list.

Common buying questions

What should I compare before buying an exhaust valve?

Check the fitted engine, cylinder head and exhaust-valve reference 14721-413-000. If the head or engine has been replaced, establish its identity before ordering from the original frame-year application.

Are valve-guide clips supplied as an engine set?

No. The 12211-250-310 replacement clip is sold individually. Count the clips required for the guides being worked on rather than assuming one purchase supplies a full cylinder head.

Can I order the valve before the head is inspected?

You can identify the valve application first, but inspection should establish the complete repair. A worn guide or damaged seat can require additional work that a replacement valve alone will not resolve.

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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