This 4-sided needle valve is used in Delorto Si carburetors commonly found on Vespa largeframes. Recommended to be replaced whenever the carburetor is disassembled.
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Tech Tip Video below to see video full size
This 4-sided needle valve is used in Delorto Si carburetors commonly found on Vespa largeframes. Recommended to be replaced whenever the carburetor is disassembled.
Click on
Tech Tip Video below to see video full size