dell-guide - The "old" Dellorto manual called "A Guide To The Choice, Setting and Use of Tapered-Needle Motorcycle Carburettors", which has all the jetting, needles, floats, atomizers etc - everything about these carburetors. All kinds of detailed info as well as all the available options, settings and sizes... Xerox copy: 28 or so pages of schematics, drawings and details; Dimensions: 8.25" x 11.75"