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Intex Mariner 4 modifications and Tips

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  • Sold mine on Craigslist. Got back what I paid for it, especially since it was modded (carpeted 2-piece wood floor, swivel boat seats, motor mount, Scotty rod holder). Ended up getting $400 for it. Threw in a few extras I had laying around (old, old fishfinder, cooler, older fish rods).

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    • Got my wheels in the mail today. Tried different mounting spots and finally settled on this layout. Just used some bolts, washers, wing nuts, T-plate, and 4 hole straight strut bracket from Home Depot. Didn't have to drill any holes and everything is still stock! I'm considering trying to fill the long aluminum rod of the motor mount with some dowel to strengthen and prevent bends.

      The wheels are "Davis Instruments Wheel-A-Weigh" from Amazon. I managed to get a big discount buying it used from their warehouse deals.

      Next is seeing if this will hold boat weight and most of my gear, and if has enough clearance!

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      • Originally posted by bigboatguy View Post
        Got my wheels in the mail today!
        Looks good so far. Would love to see how it looks on the boat because transom wheels are definitely high on my list of to-do items

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        • Tried the wheels today for the first time. It makes moving the boat a lot more easy. When lifting it solo with one hand the boat is heavy! Next time I'm gonna just bring one battery and place that in the front with some extra long cables.

          I'll post a video soon with me moving it around.

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          • Hey everyone! New Mariner 4 owner here, and I have to say, I love all the things you guys have been able to do with this boat. It is truly encouraging! Tomorrow will be the maiden voyage to do some fishing with my son in one of our many North Georgia lakes.

            I have been looking at videos of set up and tear down of the boat, and I just thought I would ask a few of the seasoned pros on here.

            1. When setting up the boat with a slotted floor (I know most have a wood floor at this point, I'll get there eventually), Do you put the slats facing up or facing down, and are there benefits to one way or the other? There is printing for the keel valve with the slotted side up, so I assume that is the right side, but thought I would as anyways!

            2. When breaking the boat down and packing it up, the directions said it's not necessary to remove the slats to fold up the boat, and I agree, it can be done, although good luck getting the boat into the supplied carry bag. Do you guys who have used, or still us the slotted floor have a trick to roll up with the floor installed, or is it better to just take it out and transport it separately?

            Anyhow, Thanks again for all the valuable tips in the forum and look forward to getting to know all you better as I kick off my Mariner boating adventures.

            Happy sailing!

            JT
            Last edited by LowDownJT; July 26th, 2019, 12:18 PM.

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            • The correct side is when you can read the printing and access the keel valve through that hole. I guess that's would be the
              "smooth side" facing the bottom of the boat.

              I roll up the slatted floor separately because handling the boat and floor is too bulky and heavy. I have the smaller Mariner 3 so I can only imagine how heavy the Mariner 4 is! I also duct taped the floor boards entrance holes so they don't keep slipping out when you carry it around.

              Have fun out there.

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              • Ok here is a Youtube video with the Mariner 3 with the motor mount wheel mod. It's in the beginning of the video. The rest is crabbing.

                 

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                • Good afternoon,

                  I have read through this thread quite a bit. Just completed my intex mariner 4 modifications and took it out with a old Johnson 9.5 hp motor (about 60 lb). Had about 500 lb of people, along with about 200 lb of modifications and gear. I was topping out at about 7mph according to my GPS. Does anyone have recommendations for getting more speed out of such a setup? Thanks.

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                  • build photo without boat

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                    • On the water with throttle maxed out

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                      • If anyone's interested - I'm trying out a few modifications to see how fast we can go:
                        1. removing everything except the flooring motor mounts, and Bimini cover (will be mounted straight to the PVC). The bench seats are quite heavy; I'll use the inflatable ones.
                        2. added hydrofoil to the outboard
                        3. using a tiller extension so I can sit further forward
                        4. deflating the keel for a flat bottom

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                        • Originally posted by bigboatguy View Post
                          The correct side is when you can read the printing and access the keel valve through that hole. I guess that's would be the
                          "smooth side" facing the bottom of the boat.

                          I roll up the slatted floor separately because handling the boat and floor is too bulky and heavy. I have the smaller Mariner 3 so I can only imagine how heavy the Mariner 4 is! I also duct taped the floor boards entrance holes so they don't keep slipping out when you carry it around.

                          Have fun out there.
                          Yah, I do the same, except I store the floor in a separate bag so it is easier to carry. The Mariner 4 is heavy!

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                          • Well my modifications worked out. I had the boat on plane today doing about 12 mph (used Garmin GPS) at 80% throttle. I’m going to modify the tilt angle to see if I can get it up to 100% throttle without the prop coming out of the water. The hydrofoil produces too much lift.

                            also- if anyone is handy with a welder, harbor freight’s cheapest trailer plus some elbow grease can be turned into a decent trailer for this thing,so you don’t have to spend any time assembling it. I had it in the water and ready to go in just a few minutes by myself. Very convenient for busy boat ramps.

                            Good luck out there.

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                              Here’s the video:
                              https://youtu.be/OAt4-wMZTOM

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