Anybody want to weigh in on what props their using on a Tournamernt pro 175 tiller? Here’s the scoop…Getting 34 MPH by myself with 1/2 tank of gas. Running 6300 ?? or so on thE rpm’s. It’s got a 17 pitch on it now. I Crosby stick has told me to go up to a 19. 
sounds like the rpms are a bit high, where is the engine supposed to be? May need to increase the diameter as well but need more info.
What motor?
2003 F90 YAMAHA. Book calls for 6300 max rpm. Not sure what the diameter is..Doesn’t say on the prop. I did not buy it.
If you have good hole shot. Stays hooked up in tight turns and big rollers. Id run the current prop. You can throw a lot of money at it and gain 1-2 mph if that is what you are after. A 90 tiller that tops 30 is good to go imo.
-J.
I think I’ll try the 19. If it’s only 1 or 2….I’ll probably stay with what I have. Does come undone in “not so tight corners”.
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Does come undone in “not so tight corners”.
Typical yamaha prop they always blow out in corners. If you want to stay with aluminum prop I would highly suggest the new quicksilver nemesis 4 blade. That prop has out performed stainless props on some setups. And has very good grip for a aluminum prop.
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I think I’ll try the 19. If it’s only 1 or 2….I’ll probably stay with what I have. Does come undone in “not so tight corners”.
You are beginning a journey that can get rather expensive. There is no formula for success except trial and error. Each manufacturer has their own geometry which reacts to boat and motor combinations very differently. Even similar boat and motor combinations respond differently to the same prop. If you can try your friends’ props it will be cheaper–but they will likely have to have nearly the same engine as you do. Do your research online using forums and user groups for relevant information to your boat and motor. Eventually you will have to take a risk on a prop. Good luck. I just ordered a custom prop for my Alumacraft Navigator 165 Sport. I bought and sold over 6 props to get to this point AND had my transom peened in the middle of the journey.
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I think I’ll try the 19. If it’s only 1 or 2….I’ll probably stay with what I have. Does come undone in “not so tight corners”.
You are beginning a journey that can get rather expensive. There is no formula for success except trial and error. Each manufacturer has their own geometry which reacts to boat and motor combinations very differently. Even similar boat and motor combinations respond differently to the same prop. If you can try your friends’ props it will be cheaper–but they will likely have to have nearly the same engine as you do. Do your research online using forums and user groups for relevant information to your boat and motor. Eventually you will have to take a risk on a prop. Good luck. I just ordered a custom prop for my Alumacraft Navigator 165 Sport. I bought and sold over 6 props to get to this point AND had my transom peened in the middle of the journey.
When you say “peened” I’m assuming the rolled the bottom edge down a bit, can I ask what for??
My 185 had porposing problems, they peened the edge and I lost 5 or 6 mph, ended up having them redo the edge and installing trim tabs.
Al
Sorry, I didn’t see your reply. I had the opposite situation that you did. My boat was plowing and I had the transom rolled up to raise the bow. I tried a 4 blade prop and it made the situation worse. Have you tried a four blade for your situation? Could help. A heavy engine tends to contribute to porpoising while a light engine can contribute to plowing. It’s all about balance and leverage.
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