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1966 Honda CB77 Carburetor Components

This 1966 Honda CB77 component selection focuses on the float-bowl drain screw. It comes with an O-ring and is sold individually. Before ordering, check the mating bowl and identify any carburetor changes that could alter the required drain fitting.

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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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1966 Honda CB77 · Carb Components Buying guide

Check the bowl before replacing its drain screw

A replacement screw addresses one component of the drain fitting. Inspect the bowl it enters as well, so damage to the mating parts is not overlooked when choosing the repair.

Parts to consider

Honda CB Stock Type Float Bowl Drain Screw Float bowl drain screw with O-ringIndividual stock-type float-bowl drain screw, supplied with an O-ring. Listed for the CB77 1961–68 application.View part

Keep the bowl and screw together for comparison

When investigating a poor seal, retain the old screw and identify the bowl it came from. Comparing both parts is more useful than matching the head alone. If the bowl is damaged or its identity is uncertain, have it assessed before making the screw the entire repair.

Use the stated application within its limits

The drain screw is listed for CB77 1961–68, including 1966. Use that application when selecting for the original assembly. If the carburetor or bowl has been changed, identify the installed component before ordering rather than relying only on the motorcycle year.

Common buying questions

Do I need to order an O-ring with the screw?

An O-ring is included with each screw. The screw is sold individually, so choose the quantity for the drain fittings you are replacing rather than assuming the purchase supplies a full motorcycle set.

Will it fit a carburetor fitted after the motorcycle was built?

Check that carburetor and its bowl separately. The listed CB77 application supports the original model selection, but does not identify the thread or sealing arrangement of an aftermarket or substituted carburetor.

Can I order by the screw's appearance alone?

The head's appearance is not enough to establish the mating thread and seal. For an unfamiliar bowl, confirm its identification and fitting dimensions before ordering; these dimensions cannot be reliably taken from the photograph.

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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