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1963 Honda CB72 Bowl Drain Screws

A missing or worn bowl-drain screw on a 1963 Honda CB72 needs a match to the bowl actually fitted. This stock-type replacement covers CB72 1961–66 and includes an O-ring. Use the old component for comparison, especially when previous repairs changed the assembly.

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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...
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1963 Honda CB72 · Bowl Drain Screws Buying guide

Identify the bowl before choosing its drain screw

The available screw comes individually with an O-ring. Its stated CB72 application includes this year; a changed bowl needs a separate match of the thread, length and sealing arrangement before purchase.

Parts to consider

Honda CB Stock Type Float Bowl Drain Screw Individual bowl-drain screw and sealOne stock-type screw supplied with an O-ring, specified for CB72 1961–66. Numeric thread, length and seal dimensions are not provided.View part

Resolve fit with identification and specifications

The description does not give numeric screw length, thread pitch or O-ring dimensions. If the original component cannot resolve the match, request those specifications and identify the bowl. A similar screw head or photograph is not a reliable substitute for the connection details.

Account for a changed carburetor assembly

When previous repairs have left a different carburetor or bowl in place, record that assembly before buying. A model-year entry describes the intended motorcycle application; it cannot identify a substituted bowl. Use suitable parts documentation or supplier confirmation for the equipment now fitted.

Buying questions

Can I order only the O-ring through this product?

The current product has one variant supplying the screw and O-ring together. A seal-only option is not offered here. If only the seal needs replacement, identify a suitable separate part and its dimensions before choosing an alternative.

Is stock-type the same as a genuine Honda replacement?

No genuine-Honda claim or verified Honda part number is provided for this product. Treat stock-type as the merchant’s description of the replacement style, and request provenance or a confirmed reference if originality matters to your purchase.

How can I check the replacement if the original screw is missing?

Record the carburetor and bowl identity, then request the replacement’s thread pitch, length and sealing dimensions. Compare those details with suitable information for the fitted bowl; neither the photograph nor a similar-looking head establishes the dimensional match.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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