Good Engine- runs with gas squirted into carb. Needs carburetor rebuild-tune up. Crankshaft is 3 1/4 long and is stepped. First 1 5/8″ is 1 1/4″ wide, next 1/2″ is 1″ wide and final 1 1/4 is 7/8 wide and is keyed and tapped. Reverse crank is 1″ long, 5/8″ wide the end is squared and tapped. Engine has NO OIL NO OIL.