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1980 Honda CB650C Custom Fuel System Parts

The 1980 CB650C fuel-system selection has a year-specific carburetor kit, an M16-thread petcock and a stock-type air filter. Confirm those assemblies still match the motorcycle before ordering. Carburetor service, a tank-valve repair and airbox maintenance each need their own parts and checks.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
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Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

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Honda CB throttle sleeve 53141-300-010

Honda CB Throttle Sleeve ~ Replaces 53141-300-010

$9.95 USD
02-2462
Refresh the throttle feel on your Honda with this Nylon Throttle Sleeve, a replacement for OEM Ref. #53141-300-010 with exceptionally broad fitment across the...
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 CB1100 CB1000 CB900 CB750 float bowl drain screw o-rings pk 4

Honda CB Float Bowl Drain Screw O-Rings Pk/4

$5.80 USD
48-0792
Replace your float bowl drain screw O-rings with this Float Bowl Drain Screw O-Rings 4-Pack.Key Features• Float bowl drain screw O-rings• 4 per packFitment...
Honda CB750 CB650 CB550 float bowl gasket

Honda CB750 / CB650 / CB550 Float Bowl Gasket

$9.95 USD
20-8030
Replace your late-'70s CB float bowl gasket with this Float Bowl Gasket (O-ring).Key Features• Float bowl gasket (O-ring)Fitment / Compatibility• Honda CB750K (1977‑78)• CB750F...
New
Honda CB750 CB650 CB125 press in pilot jet set size #40 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #40 (Pk/4)

$24.64 USD
48-9034
#40 pilot jet set for applications that use press-in style jets. These control fuel flow at idle and low throttle, making them important for...
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Honda CB750 CB650 CB550 CB400 CB125 float needle 16011-382-004

Honda CB Float Needle ~ Replaces 16011-382-004

$8.95 USD
48-5010
Replace your float needle (only) with this Float Needle, replacing OEM #16011-382-004.Key Features• Float needle (only)• Replaces OEM #16011-382-004• Honda part name: Valve Set,...
Honda CB1100 CB1000 CB900 CB750 float bowl drain screw -a

Honda CB Stock Type Float Bowl Drain Screw ~-A

$6.50 USD
48-5042
Small part, but an important one. This float bowl drain screw with included O-ring allows you to properly drain the carburetor bowl without leaks,...
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 CB900 CB750 CB650 CB450 CB400 air cut off valve 16048-429-771

Honda CB Air Cut Off Valve ~ Replaces 16048-429-771

$26.95 USD
20-4020
Replace your DOHC CB's carb air cut-off valve with this Carb Air Cut-Off Valve, replacing OEM #16048-429-771 (diaphragm) and #16048-425-771 (spring + 1 O-ring).Key...
New
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Honda CB750 CB650 CB125 press in pilot jet set size #38 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #38 (Pk/4)

$24.64 USD
48-9033
Press In Pilot Jet Set/4 ~ #38 Size Please Double Check you Require the #38 Size Before Ordering Fits: Honda CB750K (1977-78), CB750F (1977-78)...
New
Honda CB750 CB650 CB125 press in pilot jet set size #42 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #42 (Pk/4)

$24.64 USD
48-9035
Pilot jet set sized at #42, designed for applications that use press-in style jets. A key component in fuel delivery at idle and low...
New
Honda CB750 CB650 CB125 press in pilot jet set size #35 (pk 4)

Honda CB750 / CB650 / CB125 Press In Pilot Jet Set ~ Size #35 (Pk/4)

$24.64 USD
48-9028
Replace your press-in pilot jets with this Press In Pilot Jet Set of 4, size #35. Please double-check that you require the stock #35...
Honda CB1100 CB1000 CB900 CB750 float bowl drain screw

Honda CB Stock Type Float Bowl Drain Screw

$6.50 USD
48-5042
Replace your stock-type float bowl drain screw with this Float Bowl Drain Screw with O-Ring for the later DOHC and Nighthawk lineup.Note: sold each,...
Honda CB1100 CB1000 CB900 carb felt throttle and choke shaft seal set 12

Honda CB Carburetor Felt Throttle & Choke Shaft Seal Set/12

$32.95 USD
33-0044
Replace worn or missing felt throttle and choke shaft seals during carburetor service on compatible vintage Honda CB models. These felt seals are used...
Honda CB650 CB650C choke cable 17950-426-000

1979-80 Honda CB650 / CB650C Choke Cable ~ Replaces 17950-426-000

$29.95 USD
73-0203
Replace your CB650 choke cable with this Choke Cable, replacing OEM #17950-426-000. Made in Japan.Key Features• Choke cable• Replaces OEM #17950-426-000• Made in Japan•...
Honda CB750 CB650 CB550 CB125 carb float 16013-405-004

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

$27.95 USD
20-6509
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...
Honda CB1100 CB1000 CB900 CB750 CB650 carburetor cap screw set 8

Honda CB Carburetor Cap Screw Set/8

$5.80 USD
73-0100
Refresh your DOHC carb cap screws with this Carburetor Cap Screw Set of 8 with metal washers.Key Features• Carburetor cap screw set, 8 pieces•...
Honda CB650 CB650C CB650SC stock type air filter 17211-460-000

1980-82 Honda CB650 / CB650C / CB650SC Stock Type Air Filter ~ Replaces 17211-460-000

$17.41 USD
15-0063
Replace your CB650 stock air filter with this Stock-Type Air Filter, replacing OEM #17211-460-000.Key Features• Stock-type air filter• Replaces OEM #17211-460-000• Honda part name:...
Honda CB650 CB650C carb rebuild kit

1980 Honda CB650/CB650C Carb Rebuild Kit

$32.95 USD
48-1662
Rebuild your 1980 CB650 carb with this Carb Rebuild Kit. Contains float bowl gasket, carb top gasket, float needle, main jets #90 and #95,...
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...
Honda CB900 CB750 CB650 air cut off valve with cover 16048-429-771

Honda CB Air Cut Off Valve With Cover ~ Replaces 16048-429-771

$34.95 USD
48-9029
Replace your carb air cut-off valve with this Carb Air Cut-Off Valve with Cover. Replaces OEM #16048-429-771 (diaphragm), #16048-425-771 (spring + 1 O-ring), and...
New
Honda CB700 CB650 CB550 fuel tank front rubber cushion 17611-KE8-000

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

$17.95 USD
99-5145
This genuine Honda front fuel tank rubber cushion mounts to the frame and supports the front of the gas tank on select classic Honda...
Honda CB750A CB650 CB550 carb top gasket 16014-393-004

1976-80 Honda CB750A / CB650 / CB550 Carb Top Gasket ~ Replaces 16014-393-004

$9.50 USD
73-0954
Replace your carb top gasket with this Carburetor Top Gasket, replacing OEM #16014-393-004.Key Features• Carburetor top gasket• Replaces OEM #16014-393-004• Honda part name: Top...
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1980 Honda CB650C Custom · Fuel System Parts Buying guide

Match the carburetors, tank and airbox separately

The rebuild kit covers one carburetor and contains alternative #90 and #95 main jets. The petcock requires M16 × 1.5 tank threads, while the filter is intended for the original-type airbox.

Parts to consider

1980 Honda CB650/CB650C Carb Rebuild Kit 1980 carburetor rebuild kitOne-carburetor kit with bowl and top gaskets, float needle, #90/#95 main jets and #59A slide needle.View part 1979-80 Honda CB750 / CB650 Fuel Petcock ~ Replaces 16950-425-025 M16 fuel petcockPetcock with M16 × 1.5 tank threads; reference 16950-425-025.View part 1980-82 Honda CB650 / CB650C / CB650SC Stock Type Air Filter ~ Replaces 17211-460-000 Stock-type air filterReplacement filter for the original-type airbox; reference 17211-460-000.View part

Build a carburetor order by the actual job

One kit covers one carburetor and includes bowl and top gaskets, a float needle, listed jets, needle parts and O-rings. Check existing jet specifications and the parts that need renewal. Multiple supplied jet sizes are choices, not instructions to install both.

Changed intake or tank parts need comparison

A replacement tank can use different threads or mounting, while pod filters replace the original airbox arrangement. Match those installed parts before selecting the petcock or stock filter. Model-year application alone does not verify a custom fuel-system configuration.

Fuel System Parts questions

Are the jets supplied in the rebuild kit automatically the correct settings?

Compare the fitted carburetor identification, existing metering parts and Honda specification before installing the supplied jets. A kit’s model application and package contents do not establish the right calibration for a modified intake or exhaust.

What should be checked before riding after replacing the petcock?

Confirm that OFF stops fuel flow and ON/RES operate correctly, then check the tank joint, valve body and hose connection for leaks. Use fuel-compatible hose and seals; a matching tank thread alone does not establish a leak-free installation.

Will the petcock fit an aftermarket tank?

Only if its M16 × 1.5 connection and physical arrangement match that tank. Check the tank fitting, hose outlet and clearance before ordering.

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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