Has the output shaft got a 8mm tapping in the center

The Honda GX160-QX3 engine comes with a 19.05mm external crankshaft dimension. The internal thread of the crankshaft is 8mm. https://lsengineers.zendesk.com/attachments/token/x3nIjbN7dZDHJVkDQBDbjMZWQ/?name=GX160+QX3.pdf