I run a Rev4 18” pitch on my new Merc 300-V8 and love it! The 4 blade Rev4 is a stern lifting prop and has great bite on take off and doesn’t cavitate or blow out even in hard turns. I can turn 6000 rpms and max out at 53 mph light on my 23’ Sceptre. I tested 2 other props they didn’t perform as well.
After you get your engine height correct, you might try a 17” pitch Rev4 to compensate for lesser horsepower (250 vs. 300)
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