This is an excellent set of Bing 32mm carburetor from a 1971 BMW R75/5. Same body can be jetted for use with R65 R80 R90 R100. Super clean inside and out. Good diaphragms. All jets and passages cleaned and clear. All threads are good. Butterfly moves smoothly without slop. Bore and slide are in fantastic condition. Have been gone through and all rubber and cork gaskets and seals have been replaced as needed. New pilot jets and float bowl gaskets. Top screws have a new coating of cad plating.