Dell’Orto carburetors

Atomizer specifications for Dellorto PHBL 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.
9564 x 28AQ260-262-264-266-268
8358 x 28K266-268-270
8566 x 28D266-268-270
8935 x 28AE266-268-270
9143 x 28AG260