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Honda CB750 CB650 CB550 CB125 carb float 16013-405-004
Carburetor float with pin parts fiche diagram, SKU 20-6509, highlighted reference 4
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Honda CB750 CB650 CB550 CB125 carb float 16013-405-004

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Load image into Gallery viewer, Honda CB750 CB650 CB550 CB125 carb float 16013-405-004
Load image into Gallery viewer, Carburetor float with pin parts fiche diagram, SKU 20-6509, highlighted reference 4

Honda CB750 / CB650 / CB550 / CB125 Carb Float ~ Replaces 16013-405-004

20-6509
$27.95 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 1,329 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
Honda CB750 / CB650 / CB550 / CB125 Carb Float ~ Replaces 16013-405-004
$27.95 USD
Description

Replace your late-'70s CB carb float with this Carb Float with Pin, replacing OEM #16013-405-004 / #16013-393-004 / #16013-KCY-670 / #16013-MN1-671.

4 carb floats are used per bike, order the quantity you need.

Key Features
• Carb float with pin
• Replaces OEM #16013-405-004 / -393-004 / -KCY-670 / -MN1-671
• 4 per bike

Fitment / Compatibility

• Honda CB750K (1977‑78)
• CB750F (1977‑78) Supersport
• CB750A (1976‑78) Hondamatic

• Honda CB650 (1979‑80)
• CB650C (1980) Custom

• Honda CB550K (1977‑78)

• Honda CB125S (1980‑82)

Part Number: 20-6509

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

Make Model Year
Honda CB750A Hondamatic 1976
Honda CB750K 1977
Honda CB750F 1977
Honda CB750A 1977
Honda CB750K 1978
Honda CB750F 1978
Honda CB750A 1978
Honda CB650 1979
Honda CB650 1980
Honda CB650C Custom 1980
Honda CB550K3 1977
Honda CB550K4 1978
Honda CB125S 1980
Honda CB125S 1981
Honda CB125S 1982

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.

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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.

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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 carburetor floats are included and required for each compatible Honda?

One float with pin is included. Four are required for the listed four-cylinder CB550, CB650 and CB750 models; the single-carburetor CB125S uses one.

Which Honda carburetor-float numbers does 20-6509 replace?

It cross-references Honda 16013-405-004, 16013-393-004, 16013-KCY-670 and 16013-MN1-671.

Should float height be checked after installation?

Yes. Set float height to the correct model-specific service specification and confirm the float and valve move freely without fuel leakage.

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