I had a slight mishap with my 1995 70hp Force, I was changing the impeller, and used a piece of wood and hammer to split the lower halves apart. The piece I broke off is the small short fin, just above the main lower fin on the lower end. My question is, will this affect the motors operation/performance at all???? And is there anyway to repair it....It looks like it is alluminum, or something else. Any ideas or advise would be welcomed, I am very worried I messed this thing up. Thanks in advance....Heynow