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Slide needle specifications for Dellorto PHBL motorcycle carburetors (D slides): Series 2265 X 08 D

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 gleaned from Eurocarb. When I originally created this page on , I meticulously recreated the table of values from a very difficult to read original image. Mistakes were definitely present as the original image was of poor quality. Here is a link to the original image in case you would like to scrutinize any particulars.

On I noted that Eurocarb had greatly improved the quality of these specifications. I've updated the specification with accurate information as provided by Eurocarb.

PHBL carburetor slide needle.
PHBL carburetor slide needle.

Photo courtesy of Eurocarb.

Table: Slide needle series 2265 X 08 D

TypeValue XCharacteristic expressed in millimeters
ØAØBCØDE
D112.451.5015.4--
D332.421.5014--
D21212.501.8020.2--
D22222.501.4018--
D23232.461.0022--
D24242.500.6020--
D25252.501.4016--
D26262.501.4020--
D27272.501.8016--
D28282.501.8018--
D29292.501.8020--
D30302.500.6018--
D31312.500.6022--
D32322.501.0018--
D33332.501.0020--
D34342.501.0022--
D35352.461.4018--
D36362.501.4022--
D39392.500.9525--
D38382.501.0026--
D37372.501.4024--
D40402.481.0024--
D41412.521.0024.5--
D42422.460.60242.29518
D43432.500.60262.22718
D44442.481.6024--
D45*452.500.60262.22718
D46462.501.0024--
D47472.521.4026--
D48482.500.8028--
D49492.501.4026--
* Constructed of anodized aluminum