Honda motorcycle parts
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1976 Honda CB125S3 · Float-Bowl Drain Screw Buying guide
The screw and its included O-ring form one order item. Identify the fitted bowl and inspect its receiving thread so the parts order addresses the drain repair rather than an unresolved problem elsewhere in the carburetor.
Compare the screw from the fitted bowl with the replacement and identify any substituted carburetor. When the old screw is missing or the bowl is unfamiliar, obtain its correct drain-screw specification before ordering; the product does not provide a thread dimension for a custom match.
One drain screw with an O-ring is supplied per item ordered. Use that confirmed package content when planning the replacement. A damaged bowl or a different source of leakage may require other work, so identify the fault before assuming this small part completes the repair.
The O-ring comes with the drain screw. One screw-and-O-ring item is supplied per order unit, so count the drains being repaired without adding a duplicate seal for the same screw.
The available product description gives no thread dimension. Compare the existing screw and identify the fitted carburetor; obtain the missing measurement before ordering if those checks do not resolve the match.
Check the receiving thread and sealing area in the bowl as well as the removed screw. Establish whether the bowl can be retained before ordering a screw alone; use appropriate carburetor service information for that assessment.
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