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    1989 tf1800 150 mariner prop size

    Sorry I didn’t say. With the 25 pitch it runs 5100 rpm. Runs great. Just want more rpms
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    1989 tf1800 150 mariner prop size

    Hello I have a 89 tracker tf1800 with a mariner 150 mag 2. I had a 25 pitch 4 blade not sure what the diameter is. I bought a 3 blade 23 14 1/4 aluminum because I needed to gain some rpms, Motor wouldn’t even go about 1500 rpms. The 25 4 blade has a smaller exhaust than the new one. Wondering...
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    Max RPM WOT 1989 Merc 150 xr4

    Hi John was looking on here to try and find the right prop for my 89 tracker with a 150 mariner. And I finally found someone that has the same boat. What size in diameter was your high five? 13? Or 12 3/4
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