Slide needle specifications for Dellorto PHVB motorcycle carburetors (M slides): Series 15377 X 08 M
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.
Photo courtesy of Eurocarb.
| Type | Value X | Characteristic expressed in millimeters | |||||
|---|---|---|---|---|---|---|---|
| ØA | ØB | C | D | ØF | G | ||
| M1 | 01 | 2 | 1.1 | 19.5 | 19.9 | ||
| M2 | 02 | 2.02 | 1.1 | 26 | 13.4 | 1.97 | 20 |
| M3 | 03 | 2.02 | 1.1 | 20.5 | 18.9 | ||
| M4 | 04 | 2.02 | 1.1 | 21.5 | 17.9 | ||
| M5 | 05 | 2 | 0.6 | 19.5 | 19.9 | ||
| M6 | 06 | 2.02 | 1.1 | 22.5 | 16.9 | ||
| M7 | 07 | 2.02 | 0.6 | 23 | 16.4 | 1.97 | 21 |
| M8 | 08 | 2 | 24 | 15.4 | 20 | ||