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1980 Honda CB650 Fuel Caps, Petcocks & Cushions

Check the tank’s fittings before buying fuel-service parts for your 1980 CB650. The replacement cap includes keys and a gasket, the petcock has an M16 × 1.5 connection, and the front support cushions are individual pieces. A changed tank requires each interface to be verified.

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Currently viewing Gas Tanks, Caps, Petcocks & Parts

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Honda CB750 CB650 fuel petcock 16950-425-025

1979-80 Honda CB750 / CB650 Fuel Petcock ~ Replaces 16950-425-025

$44.95 USD
20-8040
Replace your 1979-80 DOHC CB fuel petcock with this Fuel Petcock, replacing OEM #16950-425-025 with M16 x 1.5 threads. Please verify the thread size...
Honda CB750C CB750SC CB900C CB1000C gas fuel tank cap 17620-460-067

Honda CB Gas / Fuel Tank Filler Cap ~ Replaces 17620-460-067

$44.95 USD
65-6508
Replace your gas tank cap with this OEM Type Gas/Fuel Tank Cap with gasket and 2 keys, replacing OEM #17620-460-067.Key Features• OEM-type gas /...
Honda CB front fuel tank rubber cushion 17611-KE8-000

Front Fuel Tank Rubber Cushion ~ Replaces Honda OEM 17611-KE8-000

$5.50 USD
27-5520
This aftermarket front fuel tank rubber cushion replaces Honda OEM 17611-KE8-000 on the listed Honda CB-series applications. It mounts to the frame and supports...
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1980 Honda CB650 · Fuel Caps, Petcocks & Cushions Buying guide

Plan the cap and valve purchases separately

The cap package supplies its gasket and keys, while the petcock has its own connection and replacement reference. Identify the tank’s cap and valve fittings separately, and match the front support rubber to the mount actually present.

Parts to consider

Honda CB Gas / Fuel Tank Filler Cap ~ Replaces 17620-460-067 Keyed replacement fuel capOEM-type cap with gasket and two keys; reference 17620-460-067.View part 1979-80 Honda CB750 / CB650 Fuel Petcock ~ Replaces 16950-425-025 M16 × 1.5 petcockFuel petcock replacing reference 16950-425-025; verify the tank thread.View part Front Fuel Tank Rubber Cushion ~ Replaces Honda OEM 17611-KE8-000 Front tank cushionAftermarket rubber cushion sold individually; compare the original mount shape.View part

Check the supplied cap inventory

Cap 65-6508 replaces reference 17620-460-067 and includes a gasket and two keys. If mounting hardware is also needed, confirm those pieces separately rather than assuming the written package list covers them.

Identify the valve and front cushion by their references

Petcock 20-8040 replaces reference 16950-425-025 and supplies one valve with an M16 × 1.5 connection. The front cushion is a separate aftermarket replacement for 17611-KE8-000, supplied individually.

Ordering questions

Will the replacement cap match my existing ignition key?

The cap comes with two keys, but the listing does not promise matching to an existing ignition key or offer a matching-key option. Confirm that requirement before buying if retaining one key for both locks matters.

Is the M16 × 1.5 thread enough to choose the petcock?

Also compare the sealing arrangement, outlet direction, hose size and lever clearance, as the valve’s buying guidance specifies. A matching thread does not establish those other details on an unidentified or changed tank.

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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