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1970 Honda CB450K Float Assemblies & Bowl Drain Fittings

Identify the float assembly or bowl fitting being repaired on your 1970 CB450K before adding separate carburetor parts. The float includes its pin, while the drain screw includes an O-ring. Both are sold each, so build their quantities from the components you will replace.

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Currently viewing Carb Floats & Other Carb Components

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Honda CB750 CB550 CB500 CB450 CB400 float bowl drain screw

Honda CB Stock Type Float Bowl Drain Screw

$7.50 USD
48-5041
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...
Honda CB500 CB450 CL450K0 CL450K2 CL450K3 carb float 16013-283-004

Honda CB Carb Float ~ Replaces 16013-283-004

$17.95 USD
20-6512
Replace your CB500T or CB450/CL450 carb float with this Carb Float with Pin, replacing OEM #16013-283-004.Sold each, order the quantity your bike requires.Key Features•...
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1970 Honda CB450K · Carb Floats & Other Carb Components Buying guide

Check the float assembly and bowl fitting independently

The float references Honda 16013-283-004 and names its pin as supplied. The drain screw names an O-ring but provides no thread dimensions. A replacement carburetor or bowl therefore needs direct comparison with the components being retained.

Parts to consider

Honda CB Carb Float ~ Replaces 16013-283-004 Replacement carb float and pinFloat with pin referencing Honda 16013-283-004, sold each. Compare the fitted float assembly and count the carburetors needing this part. Its contents differ from a needle-and-seat valve repair.View part Honda CB Stock Type Float Bowl Drain Screw Bowl drain screw with its O-ringDrain screw expressly supplied with an O-ring and sold each. Compare the screw and sealing arrangement in the bowl you plan to retain. The description gives no thread-size specification for a changed bowl.View part

Separate the float from the valve operating beside it

A float with pin differs from a float needle and seat. The premium kit lists valve parts but does not name a replacement float. Review the parts required by your carburetor repair before assuming a kit replaces the float or adding a standalone valve set unnecessarily.

Confirm missing dimensions on a replacement bowl

The stock-type drain screw description does not specify thread diameter, pitch or a sealing-seat drawing. Compare the screw in the bowl you plan to use. If the bowl has been changed, confirm the dimensions needed for that bowl rather than inferring them from the motorcycle application.

Practical parts selection questions

Does the replacement float require a separate pin purchase?

The float listing explicitly includes a pin. Match that assembly to the carburetor being serviced and order the required number of individually sold floats. Other parts around the float, such as the needle and seat, have their own contents descriptions.

Can I assume the drain screw suits an aftermarket bowl?

The description gives no thread dimensions for resolving a changed bowl. Compare its screw and seal arrangement with the replacement, and confirm any missing measurement needed before ordering. The stock-type name alone cannot identify every bowl installed later.

How should I avoid buying duplicate float-related parts?

Read the chosen kit’s named contents first. The premium kit lists a float needle and seat, while the standalone float includes its pin. Decide whether the repair needs the float, valve components or both, and select the additional parts from that comparison.

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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