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Right now im running an old 3 blade stainless prop on my 90 yammy 2 stroke and getting 38mph with 2 anglers at 4600 rpm...Thoughts?
1995 Maverick Mirage Prop Suggestions
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1,755 Posts
Start with a 15" pitch and work up or down from there..
You're lugging your Yamaha now. If you currently have a 15" move to a 13" pitch..
You're lugging your Yamaha now. If you currently have a 15" move to a 13" pitch..
Have the same setup. You should be seeing 5500 rpm's. But, you're not far from the top end. I run a 13.25 X 17 on my rig. It's just a standard SS Yami prop, but performance is fine. Decent hole shot, and see top end @ 40 (41-2 on a good day nobody/gear in the boat). Tight lines...
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2,643 Posts
I don't have a Maverick Mirage but the size and weight of my Dolphin SS16 is close. So I looked at the props on every 2 stroke Yamaha 90 powered Maverick I saw at Central Florida Marine. Almost all of them had PowerTech PTR 4 blade 16 pitch non vented props so that's what I replaced my vented 3 blade SCD 17 pitch with. Some had 3 blade PTR 17 pitch, but I don't recall seeing any that were vented.
My hole shot was significantly increased because I can run the jack plate all the way to 6" up with trim tabs all the way down and not blow out. After planing out I drop the JP an 1" and I'm good to go. My old vented 3 blade would blow out with the jack plate above 4-1/2" and I had to run it an 1" lower on plane.
PowerTech says the SCD is a stern lifting prop and the PTR is a bow lifting prop and based on my experience I would agree with that. I did try a 4 blade SCD 17P per PowerTech recommendation that lifted the stern so much that it felt like I was running with trim tabs down. That felt weird and my fear of chine walking made me return that prop.
Based on my limited experience I think having a prop that will not blow out with the engine trimmed down and jacked up is better than having a vented prop that slips by design and requires a lower jack plate setting that puts the prop/skeg in the bottom 1-1/2" quicker.
You are welcome to try my prop if you're ever around the ML on weekends or anywhere else I might be but NOT Homossasa.
My hole shot was significantly increased because I can run the jack plate all the way to 6" up with trim tabs all the way down and not blow out. After planing out I drop the JP an 1" and I'm good to go. My old vented 3 blade would blow out with the jack plate above 4-1/2" and I had to run it an 1" lower on plane.
PowerTech says the SCD is a stern lifting prop and the PTR is a bow lifting prop and based on my experience I would agree with that. I did try a 4 blade SCD 17P per PowerTech recommendation that lifted the stern so much that it felt like I was running with trim tabs down. That felt weird and my fear of chine walking made me return that prop.
Based on my limited experience I think having a prop that will not blow out with the engine trimmed down and jacked up is better than having a vented prop that slips by design and requires a lower jack plate setting that puts the prop/skeg in the bottom 1-1/2" quicker.
You are welcome to try my prop if you're ever around the ML on weekends or anywhere else I might be but NOT Homossasa.
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