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June 25, 2023 at 10:43 pm
#277403
The impeller with the larger bore fits 58-63 ten horse and 64 and later 9.5 horse motors. Their shaft size is around .547″ +/-.
I thought the 58 to 63 QD’s were the same as the 5-1/2 or 7-1/2Hp! I gotta pay closer attention. I just rebuilt a lower unit on a 58 QD. Wonder what I have in that puppy?
thanks dale