Dell’Orto carburetors

Atomizer specifications for Dellorto PHBG carburetors

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


This information was gleaned from Beedspeed.

Photo courtesy of Beedspeed.

Code NumberTypeX value measured in hundredths of a millimeter.
9654 x 28AV258-260-262-264-266
9511 x 28AN258-260-262-264-266
10245 x 28BP258-260-262