THE PICTURES OF THE MEASUREMENTS ARE FOR ALL THE PEOPLE THAT ASK FOR THE MEASUREMENTS OF THE VENTURI SIZES PLEASE LOOK AT THE PICTURES FOR YOUR OWN  SELF SATISFACTION THAT DOUBT THE PART NUMBERS OF THE CARBURETOR THAT IS LISTED HERE FOR SALE. THIS IS A  OBSOLETE PART FROM THE MFG FOR MANY YEARS. RARE FIND //// MANY YEARS OF APPLICATIONS ON THE 15 HP MOTORS  FROM 1975  THRU 1985 ACCORDING TO THE PARTS BOOKS.BECAUSE OF THE THROTTLE ROLLER & LINK ARM. IF YOU ALREADY HAVE THE ROLLER LIKE THIS ON YOUR OLD CARBURETOR AND IT IS UP TO A 1985 THIS WILL WORK. THE THROTTLE CAM IS DIFFERENT WHY HOW IT ACTIVATES THE RECOIL FROM WORKING AT A HIGH RPM OR FROM STARTING IN GEAR. THAT IS THE DIFFERENCE BETWEEN THE CARBURETORS IN 1974. PLEASE PRICE OUT JUST SOME OF THE PARTS LOKE THE FLOAT BOWL BY ITSELF. THIS IS A BRAND NEW PART WHICH IS VERY RARE TO FIND. SO PLEASE MAKE SURE YOU HAVE THE CORRECT PART FOR YOUR APPLICATION. WHY SOLD AS IS ABSOLUTELY NO RETURNS FOR A REFUND. SORRY I'M NOT AMAZON OR WALMART PURCHASE SHIP OPEN TOUCH THEN RETURN ON MY $$. WILL SHIP USPS MAIL  ATTENTION THE REASON FOR THE HIGHER SHIPPING COST BECAUSE I HAVE TO INSURE THE ITEM. I HOPE YOU UNDERSTAND WHY IF NOT I'M SORRY