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1979 Honda CB750L Carb Floats & Components

Use the carburetor’s identity and the affected circuit to choose small parts for the Limited. The 1979 float, accelerator-pump diaphragm and air-cutoff valve are distinct service items. Check their contents before adding drain seals, hardware or other parts already covered by a rebuild kit.

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Currently viewing Carb Floats & Other Carb Components

Honda motorcycle parts

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Honda CB900 CB750 carb pump diaphragm 16021-679-005

1979-83 Honda CB900 / CB750 Carb Pump Diaphragm ~ Replaces 16021-679-005

$27.95 USD
20-9042
Rebuild your DOHC CB750's Keihin carb accelerator pump with this Carb Pump Diaphragm, replacing OEM #16021-679-005. Kit contains 1 diaphragm with rod and 1...
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 CB1100 CB1000 CB900 CB750 DOHC screw set

Honda CB1100 / CB1000 / CB900 / CB750 DOHC Screw Set

$39.95 USD
73-0099
Refresh DOHC carb hardware top to bottom with this 71-Piece DOHC Screw Set. Includes front stay plate screws (8), CV cap screws (8), throttle...
Honda CB1100 CB1000 CB900 CB750 CB550 air screw needle o-ring

Honda CB Air Screw Needle O-Ring

$1.95 USD
48-5043
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...
Honda CB1000 CB900 CB750 carb rubber passage plugs pk 5 16010-425-671

Honda CB1000 / CB900 / CB750 Carb Rubber Passage Plugs Pk/5 ~ Replaces 16010-425-671

$10.49 USD
48-5001
Replace your float bowl and cover access plugs with this Carb Rubber Passage Plugs Pack of 5. Fits in float bowl and cover access...
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 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 CB750F CB750K CB750L CB650 air cut off valve 16048-425-671

1979 Honda CB750 / CB650 Air Cut Off Valve ~ Replaces 16048-425-671

$24.95 USD
20-4021
Replace your 1979 DOHC CB's carb air cut-off valve with this Carb Air Cutoff Valve, replacing OEM #16048-425-671 (diaphragm) and #16048-425-305 (spring + 1...
Honda CB750 CB400 carb float 16013-679-005

1978-79 Honda CB750 / CB400 Carb Float ~ Replaces 16013-679-005

$29.95 USD
20-6506
Replace your 1979 DOHC CB750 or CB400 carb float with this Carb Float with Pin, replacing OEM #16013-679-005.4 carb floats are used per bike,...
Honda CB750C CB750F CB750K CB750L carb bolt kit

1979-82 Honda CB750 Carb Bolt Kit

$27.03 USD
73-1044
Restore your carburetor hardware with this Carburetor Bolt and Washer 43-Piece Kit, a complete bolt kit for all 4 carburetors.Key Features• Carburetor bolt and...
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 CB1100 CB1000 Keihin pd carb felt throttle shaft seal set 6

Honda CB Keihin PD Carburetor Felt Throttle Shaft Seal Set/6

$18.95 USD
33-0043
Replace worn or missing felt throttle shaft seals on Keihin PD carburetors. These felt seals are used during carburetor service or restoration to help...
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1979 Honda CB750L Limited · Carb Floats & Components Buying guide

Identify the carburetor component being repaired

The float is supplied with its pin, and the pump diaphragm package names a diaphragm with rod and a bellows rubber. Match each part to its own location before ordering.

Parts to consider

1978-79 Honda CB750 / CB400 Carb Float ~ Replaces 16013-679-005 1979 carburetor floatFloat with pin; four floats are specified per motorcycle.View part 1979-83 Honda CB900 / CB750 Carb Pump Diaphragm ~ Replaces 16021-679-005 Accelerator-pump diaphragm kitContains one diaphragm with rod and one bellows rubber.View part 1979 Honda CB750 / CB650 Air Cut Off Valve ~ Replaces 16048-425-671 1979 air-cutoff valveYear-specific Limited application; compare the removed diaphragm and related parts.View part

Related parts: Four drain-screw O-rings

Separate a float from its needle

A float and a float needle are different components. Check both during inspection and compare the rebuild-kit contents before adding duplicates. A four-float requirement does not mean the float product is a four-pack.

Use small service packs intentionally

The linked drain-screw O-rings come four per pack. Separate drain screws include an O-ring, so choose according to the screw and seal condition. Avoid mixing carburetor families when selecting shaft seals or other small parts for a changed rack.

Buying questions

Does the float include its pin?

The float description specifies a float with pin. Four floats are used per motorcycle, but that requirement is distinct from the contents of one float product.

What is in the pump diaphragm package?

It contains one diaphragm with rod and one bellows rubber. Compare the accelerator-pump assembly and do not assume it is a complete carburetor rebuild kit.

Can I use a later air-cutoff valve by appearance?

Use the verified year-specific application and compare the actual carburetor parts. The featured air-cutoff item specifically names the 1979 Limited, so visual similarity alone is not enough to substitute a later version.

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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