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  • 1979-82 Honda CB650 / CB650C / CB650SC Exhaust Valve ~ Replaces 14721-426-003
Honda CB650 CB650C CB650SC exhaust valve 14721-426-003
Exhaust valve parts fiche diagram, SKU 73-0980, highlighted reference 9
Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Front three-quarter
Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Underside
Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Left side
Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Right side
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Honda CB650 CB650C CB650SC exhaust valve 14721-426-003

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Load image into Gallery viewer, Honda CB650 CB650C CB650SC exhaust valve 14721-426-003
Load image into Gallery viewer, Exhaust valve parts fiche diagram, SKU 73-0980, highlighted reference 9
Load image into Gallery viewer, Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Front three-quarter
Load image into Gallery viewer, Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Underside
Load image into Gallery viewer, Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Left side
Load image into Gallery viewer, Honda CB650 CB650C CB650SC Exhaust Valve - Replaces Honda OEM 14721-426-003 — Right side

1979-82 Honda CB650 / CB650C / CB650SC Exhaust Valve ~ Replaces 14721-426-003

73-0980
$24.95 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,353 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
1979-82 Honda CB650 / CB650C / CB650SC Exhaust Valve ~ Replaces 14721-426-003
$24.95 USD
Description

Replace your exhaust valve with this Exhaust Valve, replacing OEM #14721-426-003. Made in Japan.

Key Features
• Exhaust valve
• Replaces OEM #14721-426-003
• Made in Japan
• Honda part name: Valve, Ex. (Nittan)
• Interchangeable with Honda 14721-426-000

Fitment / Compatibility
• Honda CB650 (1979‑82)
• CB650C (1980‑81) Custom
• CB650SC (1982) Nighthawk

Part Number: 73-0980

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Check the listed model and year, then read any fitment notes in the description.

Make Model Year
Honda CB650 1979
Honda CB650 1980
Honda CB650 1981
Honda CB650 1982
Honda CB650SC Nighthawk 1982
Honda CB650C Custom 1980
Honda CB650C Custom 1981

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

See full shipping details

60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

Start your return below. Wait for our instructions before mailing a part back.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

How many CB650 exhaust valves are included and required?

One Japanese-made exhaust valve replacing Honda OEM 14721-426-003 is included. The four-cylinder CB650 uses four exhaust valves, so four are required to replace every exhaust valve in one engine.

Which CB650 models use exhaust valve 14721-426-003?

It fits the listed 1979-1982 CB650, 1980-1981 CB650C and 1982 CB650SC applications. Match the OEM number as well as model and year before ordering.

What should be checked when replacing a CB650 exhaust valve?

Measure valve-stem-to-guide clearance, inspect and machine the seat as required and check spring condition, retainer, keepers and installed height. Set cam timing and valve clearance to Honda specifications after assembly.

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