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1964 Honda CB77 Carburetor Components

Replace a missing or worn float bowl drain screw on your 1964 Honda CB77 with an individually supplied screw and O-ring. The listed application includes this year; give changed or unidentified carburetor bowls a separate compatibility check before ordering.

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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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1964 Honda CB77 · Carburetor Components Buying guide

Match the drain fitting at the float bowl

An individual screw avoids buying a larger package for a small replacement need. Its O-ring is included, while the required quantity depends on how many screws you intend to replace.

Drain screw supplied individually

Honda CB Stock Type Float Bowl Drain Screw Drain screw and O-ringOne drain screw and O-ring per ordered item. The listed CB77 application spans 1961–68; changed bowls need their own parts check.View part

Retain useful details from the fitted assembly

When the old screw is available, keep it for comparison alongside the carburetor identification. If a replacement bowl has been installed, note its source or part number as well. These details help resolve a changed assembly without guessing its thread from the screw head or the motorcycle year.

Order only the replacement quantity needed

Each ordered item supplies a screw with its O-ring. Count the screws being replaced and choose that quantity, rather than interpreting the product as a motorcycle-wide set. If the bowl itself is damaged or the leak source is uncertain, establish the repair required before buying a screw alone.

Buying questions

Do I need to add an O-ring to this order?

The individual drain screw includes an O-ring. For this supplied screw there is no need to add the same seal separately; any other seals required for a larger carburetor repair should be checked on their own.

How can I choose a screw when the old one is missing?

Identify the fitted carburetor and record any replacement bowl details. For an unidentified assembly, ask for the matching drain-screw specification using those details and clear photographs, rather than trying a similar-looking thread.

Is a replacement screw enough if the bowl connection is damaged?

Establish the condition of the bowl connection before ordering. The supplied screw and O-ring do not resolve damage to the mating bowl; use the appropriate service guidance to determine which components actually need replacement.

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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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