Gregory Bender

Slide needle specifications for Dellorto VHB motorcycle carburetors (V slides)

Detailed technical information regarding Dellorto motorcycle carburetors, how to tune Dellorto motorcycle carburetors, Dellorto parts diagrams, slide specifications, needle specifications, jet specifications, and atomizer specifications.

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This information was gratefully provided by Chris Oates, who was sent this information by Eurocarb. I meticulously recreated the table of values from a somewhat difficult to read original. Therefore, mistakes may be present. Here is a link to the original image in case you would like to scrutinize any particulars.

VHB carburetor slide needle.
VHB carburetor slide needle.

Photo courtesy of Eurocarb.

Table: Slide needle series V

TypeValue XCharacteristic expressed in millimeters
ØAØBCDE
V1012.470.7523.567.573.5
V2022.51.92267.573.5
V3032.481.52267.573.5
V4042.51.52267.573.5
V5052.481.82772.578.5
V6062.451.92067.573.5
V7072.451.52067.573.5
V8082.451.718.567.573.5
V9092.481.82672.578.5
V10102.471.523.567.573.5
V11112.472.523.567.573.5
V12122.51.52067.573.5
V13132.51.72467.573.5
V14142.42.12072.578.5
V15152.481.52667.573.5
V16162.4712567.572.5