For a 1972 CB500K fuel-system order, separate carburetor internals from intake rubber, filtration and tank hardware. Package sizes differ across those jobs: a carb kit serves one carburetor, while the holder and airbox-boot sets contain four pieces. Start with the equipment still fitted to the bike.
Replace your early CB750K fuel petcock with this Honda CB750 Fuel Petcock, replacing OEM #16950-300-020. Includes internal gaskets, strainers, and other internals.It's a good...
Replace your CB750 throttle pull cable with this Throttle Cable "Pull Type", replacing OEM #17910-341-000. End-to-end length 40". Made in Japan.Key Features• Throttle cable,...
Refresh your fuel petcock fasteners with this Fuel Petcock Screw and Washer Set, including 2 chrome-plated fuel petcock screws and 2 fibre washers. These...
Replace your mid-'70s Honda gas cap rubber seal with this Gas Cap Rubber Seal, replacing OEM #17534-323-300. Broad fitment across the SOHC CB750K, CB500/CB550...
Replace your fuel petcock gasket with this Fuel Petcock Gasket / O-Ring, replacing OEM #16997-273-006 / #16960-011-000. This is the O-ring that goes between...
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...
Replace the fuel petcock screen in your 1969-74 CB750K stock petcock (our #20-8039) with this Replacement Fuel Petcock Screen, replacing OEM #16957-268-010.Key Features• Replacement...
Replace your OEM-type filler cap with this OEM Type Gas/Fuel Tank Chrome Cap, including gasket and hinge pin with E-clip for easy installation. Replaces...
Replace your gas cap latch with this Gas/Fuel Tank Cap Latch Assembly. Includes a chrome latch, return spring, latch mounting pin, and C-clip.Key Features•...
Replace your float bowl drain screw with O-ring on these earlier models with this Float Bowl Drain Screw with O-Ring 4-Pack.Key Features• Float bowl...
Replace your air screw needle O-ring with this Air Screw Needle O-Ring, 2.8mm x 1.2mm.Note: sold each, order the quantity you require.Key Features• Air...
Replace your stock-type float bowl drain screw with this Float Bowl Drain Screw with O-Ring.Note: sold each, order the quantity you require.Key Features• Stock-type...
Replace your float bowl gasket with this Float Bowl Gasket (O-ring), fitting the CB500K/CB550 family, CB350F Supersport, and CB350K.Key Features• Float bowl gasket (O-ring)Fitment...
Replace your throttle adjusting spring with this Throttle Adjusting Spring, replacing OEM #53191-300-000.Key Features• Throttle adjusting spring• Replaces OEM #53191-300-000• Honda part name: Spring,...
Restore your classic Honda's tank with a factory-look matte-black finish using this Matte Black OEM-Type Fuel Tank Cap with Latch Assembly. A direct replacement...
Rebuild a CB500K carburetor with this Carb Rebuild Kit. Contains: float bowl gasket, carb top gasket, float needle and seat (1.8), secondary main jet...
Fit an alternate stock-type air filter option for your CB500K with this Stock-Type Air Filter, replacing OEM #17210-323-030.Key Features• Stock-type air filter• Replaces OEM...
Upgrade or restore your classic Honda motorcycle with this Fuel Tank Emblem — precision‑designed and styled to replace multiple factory emblems. This authentic replacement...
Replace your float needle and seat with this Float Valve Set (needle and seat), replacing OEM #16011-329-004.Key Features• Float valve set (needle and seat)•...
Identify the fuel-system job before combining parts
One-carb kits address internal service, a stock-type filter fits the compatible airbox, and cap hardware deals with the tank. Check the installed carburetors and airbox before ordering; a custom intake setup changes the comparisons needed for filters and rack support.
The rebuild source lists the supplied internal parts and specifies one kit per carburetor. Compare the list with the actual repair rather than assuming floats, intake holders or rack hardware are included. The float is a separate individual product, while the holder set supplies all four holders.
Check what remains original in the intake
An intact compatible stock airbox uses the listed replacement element. Pods use a measured carburetor inlet and require their own clearance and support checks. Inspect the airbox boots and holders before deciding which arrangement to retain; do not combine parts for different setups merely from a shared model name.
Common questions
Which carburetor service items arrive in the one-carb kit?
The kit names bowl and top gaskets, a 1.8 needle-and-seat, jets, D26 needle, O-rings, screw with spring and C-clip. One kit services one carburetor. Compare that list before adding separate valves or gaskets; floats and intake holders are not named contents.
What must remain fitted to use the stock-type airbox filter?
The filter references 17210-323-030 for the original 1971–73 CB500K airbox, with one supplied and one required. Confirm the airbox is still present. A removed or replaced airbox requires its own intake fitment check before applying that original-filter specification.
Which parts are included with the fuel cap, and which latch parts are separate?
The chrome cap supplies its gasket, hinge pin and E-clip under reference 17510-323-310. The separately offered latch has its own return spring, mounting pin and C-clip. Inspect the retained cap and latch before adding overlapping sealing or hinge parts.
Not sure which part you need?
Send your model and year, plus photos of your existing part and any changes to the original setup.