Vespa carburetor SI short air mixture adjustment screw SI carburetor Dell´Orto & Spaco
Vespa Conversion mixture adjustment screw bgm PRO for SI carburettors Dell'Orto & Spaco mixture adjustment screw bgm PRO for converting Dell'Orto SI carburettors with long hexagon mixture adjustment screw to short slotted screw. This bgm PRO Conversion air mixture adjustment screw is used to use carburettors with a long hexagon mixture adjustment screw in older engines (with stud bolts to fasten the carburettor). It replaces the too long [...]
