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  • 1975-81 Honda CB400F / CB125S Fuel Petcock ~ Replaces 16950-GF6-015
Honda CB400F CB125S fuel petcock 16950-GF6-015
Fuel petcock parts fiche diagram, SKU 12-0078, highlighted reference 2
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Honda CB400F CB125S fuel petcock 16950-GF6-015

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Load image into Gallery viewer, Honda CB400F CB125S fuel petcock 16950-GF6-015
Load image into Gallery viewer, Fuel petcock parts fiche diagram, SKU 12-0078, highlighted reference 2

1975-81 Honda CB400F / CB125S Fuel Petcock ~ Replaces 16950-GF6-015

12-0078
$13.51 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 1,350 store reviews
Secure checkoutProtected payment
60-day returnsEligible unused parts Free ground shippingUSA & Canada over $50
Browse all parts
1975-81 Honda CB400F / CB125S Fuel Petcock ~ Replaces 16950-GF6-015
$13.51 USD
Description

Fit a petcock to our CB400F aftermarket gas tank or replace the stock one on your CB125S with this Fuel Petcock. An M14 x 1.0 thread that works perfectly on our #73-1166 CB400F Supersport gas tank, and also serves as a direct replacement for the stock CB125S petcock (OEM #16950-GF6-015).

Key Features
• Fuel petcock, M14 x 1.0 thread
• Works on our #73-1166 CB400F gas tank
• Direct replacement on CB125S (replaces OEM #16950-GF6-015)
• Honda part name: Petcock, Fuel
• Interchangeable with Honda 16950-KE6-830

Fitment / Compatibility

• Fits our #73-1166 CB400F (1975‑76) Supersport gas tank

• Honda CB125S (1978‑81)

Part Number: 12-0078

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

Make Model Year
Honda CB400F 1975
Honda CB400F 1976
Honda CB125S5 1978
Honda CB125S 1979
Honda CB125S 1980
Honda CB125S 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.

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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

Does petcock 12-0078 fit the original Honda CB400F fuel tank?

Its verified CB400F application is the aftermarket CB400F Supersport fuel tank sold as part 73-1166. Do not assume it fits an original CB400F tank solely from the motorcycle model.

How is petcock 12-0078 used on the Honda CB125S?

It is a direct replacement for Honda OEM 16950-GF6-015 on the 1978-1981 CB125S. The petcock has an M14 x 1.0 mounting thread.

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