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I've been wondering how to squeeze an extra mph or so out of my 2002 Nissan 25hp 4 stroke on my 13 Sport. The max rpm for this engine is 5500 rpm and currently has an aluminum 3 blade 9.6X13 prop. The gear ratio is 1.92.

I've been looking at a 10X14 4 blade stainless steel prop. I don't need to worry about the hole shot capability - just want to increase my cruising speed. I don't have a tach currently installed.

Any suggestions would be appreciated.
Thanks,