Re: Propeller pitch for 1984 23 Open Fish?
Not sure what year your motor is but recent 4-S Yamahas are around 600lbs in that class. What are your target rpms? Logic says you need some stern lift. Have you considered a 4 blade model? PowerTech's SCE series is like Yamahas semi cleavers and they make a 4 blade version.
You might also see if you can borrow a 14.5 x 17 Black Max/Black Diamond and see if it lifts enough. If you like it, PowerTech's MQS series is its equivalent and available in stainless.
Both of these props are considered stern-lifters and easy to turn.
You might also look into Merc's 4-b Trophy Plus.
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