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#1
07-24-2009, 12:59 AM
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Re: prop for 23' Sceptre
Bracketed motors tend to have more bow rise than transom motors. 6400 rpms is way too much for the 225 Optimax. I thought the factory rev limiter was supposed to cut in at 6300 rpms. Max rpm range for the 225 is 5000 - 5750 rpms, not 6750. Ask your dealer about that.
Since Mercury Marine doesn't list a 14" pitch Mirage Plus, I'm going to assume it was re-pitched down from a 16"P, which is the smallest I see in the catalog. If you're turning 6400, and want to get down to 5750 (max of max rpm range), I would estimate that you need an 18"P Mirage Plus prop. (Posted in General thread on this topic as well)
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Common Sense is learning from your mistakes. Wisdom is learning from the other guy's mistakes. Fr. Frank says: Jesus liked fishing, too. He even walked on water to get to the boat! Currently without a SeaCraft  (2) Pompano 12' fishing kayaks '73 Cobia 18' prototype "Casting Skiff", 70hp Mercury 
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