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.

Updated:

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