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Why have a cranking battery?
Second post. Please forgive me if I don't use proper forum etiquette .
My Catalina 27 (1974) has 3 batteries (two house and a cranking). The ouboard (2000 Yamaha) is only 9.9hp. Do I really need a cranking battery for a motor so small? Would it be terrible if I replaced it (it's 7 years old and has a buldge on the side) with another house battery?
I thought because it has a pull start, it may not require a dedicated cranking battery.