I'm interested in purchasing a used 1992 Regal 170 Valanti, it has a 4.3l V6 Volvo Penta engine and outdrive with duo-prop. I gues my question is,... why have a duo-prop for a 17' boat? Is this a comon arangement for a small boat? Will I have issues with parts if I purcure the boat? Does anyone...
