Prop Size

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Louis J. Josvai

New Member
Apr 12, 2001
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I want to put a Stainless Steel prop on my Tracker, but am unsure what size to use. I have a 2000 ProTeam 185 with 75 Merc and power trim. Stock aluminum prop was a 12 3/4 x 21 and rpm's were perfect. No one seems to stock that prop in S.S. My choiches seem to be 13x19, 13x21, 13 1/4x19 and 13 1/4x21. How much does diameter affect rpm's versus pitch. Thanks Lou

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