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1981 Honda CB750F Fuel Tank & Petcock Parts

Here the tank choices are service pieces rather than a complete replacement tank: a threaded petcock, cap rubber seal, front and rear supports, and emblem screws. The rear support is listed specifically for the 1979–81 CB750F, while the cap seal covers 1981–82.

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Currently viewing Gas Tanks, Caps, Petcocks & Parts

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Honda CB900 CB750 CB650 fuel petcock 16950-MA4-671

1981 Honda CB900 / CB750 / CB650 Fuel Petcock ~ Replaces 16950-MA4-671

$44.95 USD
20-8041
Replace your 1981 DOHC CB's fuel petcock with this Fuel Petcock, replacing OEM #16950-MA4-671 / #16950-461-771 with M18 x 1.0 threads. Please verify the...
Honda CB750 CB900 rear fuel tank holder rubber 02 - 6553 17613-438-000

Rear Fuel Tank Holder Rubber 02-6553

$21.15 USD
02-6553
Secure the rear of your fuel tank properly with this Rear Fuel Tank Holder Rubber, designed as a direct replacement for the original Honda...
Honda CB front fuel tank holder rubber 17611-425-000

Honda CB Front Fuel Tank Holder Rubber ~ Replaces 17611-425-000

$7.87 USD
02-6551
Keep your fuel tank snugly mounted at the front with this Front Fuel Tank Holder Rubber, a direct replacement for OEM #17611-425-000. Fits the...
Honda CB750 CB650 fuel tank emblem screw set

Honda CB750 / CB650 Fuel Tank Emblem Screw Set

$4.95 USD
01-0121
Complete your fuel tank emblem installation with this Fuel Tank Emblem Screw Set of 4, a direct replacement for OEM #93700-04006-0G. Enough hardware for...
Honda CB1100 CB900 CB750 CB450 gas cap rubber seal 17632-176-771

1981-83 Honda CB1100 / CB900 / CB750 / CB450 Gas Cap Rubber Seal ~ Replaces 17632-176-771

$8.95 USD
73-0919
Replace your gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17632-176-771.Key Features• Gas cap rubber seal• Replaces OEM #17632-176-771Fitment /...
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1981 Honda CB750F · Tank Fittings & Mounts Buying guide

Match the valve, cap and supports to the tank being retained

A replacement tank or cap can change which service parts are needed. Compare the fitted valve connection and cap reference, then select the front cushions and rear support by their distinct locations.

Parts to consider

1981 Honda CB900 / CB750 / CB650 Fuel Petcock ~ Replaces 16950-MA4-671 1981-listed fuel petcock20-8041 replaces Honda 16950-MA4-671 or 16950-461-771. Its listed CB750F application is 1981.View part 1981-83 Honda CB1100 / CB900 / CB750 / CB450 Gas Cap Rubber Seal ~ Replaces 17632-176-771 Fuel-cap replacement seal73-0919 replaces Honda 17632-176-771. The rubber seal is supplied without the metal cap or latch parts.View part Rear Fuel Tank Holder Rubber 02-6553 Rear tank support02-6553 replaces Honda 17613-438-000 and lists the 1979–81 CB750F. The supplier specifies one rear support per motorcycle.View part

Related parts: Individual front tank cushion · Four fuel-tank emblem screws

Order front and rear supports separately

Front cushion 02-6551 replaces 17611-425-000 and is sold individually; the supplier specifies two for the left and right front supports. Rear holder 02-6553 is a different component, so a front-cushion order does not replace the rear support.

Plan the emblem hardware order

01-0121 supplies four screws replacing 93700-04006-0G, enough for both compatible tank emblems. Keep the existing emblem mountings identified when choosing hardware for a replacement or refinished tank.

Common questions

How do the offered earlier and 1981 petcocks differ?

20-8041 lists an M18 x 1.0 connection for the 1981 CB750F. The separately offered 20-8042 lists M16 x 1.5 and reference 16950-438-305 for the 1979–80 CB750F. Compare the actual tank connection rather than assuming the earlier valve substitutes on an altered tank; the listed threads have different diameters and pitches.

Does the earlier DOHC CB750F cap-seal listing cover the 1981 cap?

The detailed application for 20-0096, reference 17632-422-000, lists the 1979–80 CB750F. For the 1981–82 CB750F, the offered seal is 73-0919, reference 17632-176-771. Match the installed cap and exact reference instead of selecting from a general DOHC CB750 description.

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