Dell’Orto carburetors

Atomizer specifications for PHBE-PHF-PHM 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.
8540 x 28AB260-262-265-268-270-272-275
8979 x 28AF330-340-350-360
9593 x 28AR260-262-265-270