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1981 Honda CB400TB Valvetrain Parts

Cylinder-head parts must be chosen by their position and function, not by their appearance alone. For the 1981 Hawk, the featured exhaust valve and individual guide clip support different stages of head work. Inspect the head before deciding which parts need renewal.

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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...
Honda CB400 CB450 CB125 valve stem seal 12208-413-003

Honda CB400 / CB450 / CB125 Valve Stem Seal

$3.10 USD
01-0128
Stop top-end oil loss with this Valve Stem Seal, a replacement for OEM #12208-413-003 / #12209-KL4-005 / #12209-428-003. Fits a range of smaller-displacement Hondas,...
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1981 Honda CB400TB · Valvetrain Buying guide

Identify the valve position before ordering head parts

An exhaust valve closes a combustion-chamber port; a guide clip retains a valve guide. Keep those roles separate and base the replacement list on inspection of the valves, guides and seats.

Parts to consider

Honda CB400 / CB450 Exhaust Valve ~ Replaces 14721-413-000 Exhaust valveReplacement for exhaust-valve reference 14721-413-000 on the CB400T engine.View part Honda CB Valve Guide Clip ~ Replaces 12211-250-310 Valve-guide clipGuide-retaining clip replacing reference 12211-250-310. Sold individually.View part

Inspect the valve and its working surfaces

Replacing a valve is part of a cylinder-head repair, not a substitute for checking the seat and guide. Have the head assessed for wear and damage before buying parts. The featured valve is identified for the exhaust position and must not be substituted for an intake valve.

Keep small retaining parts on the order list

Guide clips are sold individually. Count the guides being serviced and inspect their retainers rather than ordering by the number of cylinders. Keep spring hardware and valve-stem seals on the same inspection checklist, using position-specific references for any additional parts required.

Buying questions

Is the featured valve an intake or exhaust replacement?

It is the exhaust valve, referencing 14721-413-000. Intake and exhaust parts serve different positions; compare the fitted valve and head reference rather than ordering by the general CB400 engine label.

Are the guide clips supplied as a complete head set?

No. The featured guide clip is sold each. Order the number required for the guides being serviced after the head has been inspected and the repair scope is known.

Should I order valves before the head is inspected?

Inspection first helps avoid an incomplete order. Valve condition, guide wear and seat condition affect the repair; a new valve alone may not address the cause of leakage or poor compression.

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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