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New information, kept digging in the app and found an initial code thrown; 2061-23. Low engine water pressure. Initial research says it could be the pressure sensor which is fairly common to fail. Or the impeller , again it would surprise me as the impeller is only a few years old and was...

Why would you suspect the impeller? It was replaced maybe 2 years ago and has been fine. There were no temperature alarms and the temp gage was less than 175. Are there any sensors on water pressure? If not I don’t see how impeller would be related.

Help my boat let me down for the first time. Took the boat out for the first time in over a year and all seemed well until I go to throttle up, alarm goes off. I initially thought maybe it was oil reservoir but it was good. Next time I pulled out my phone and Vessel View and read the code...

I think what I’m going to do is upgrade to the 185/80r13 tires in a D load rating. The trailer load tag lists this size so it should fit. I calculated that going from 175/80r13 C to a 185/80r13 D is a 25% increase in load capacity, I’m thinking this should help. Part comes from the D and the...

This is the OEM SeaRay trailer that is custom for the boat, it is a tandem axle. The tire is rated to 81 mph according to spec sheets. I agree that heat is a killer but I am not the only person pulling a trailer in hot weather. The 13s are what is specd by the mfg for this trailer and load...

Well I had my trailer tire blow out at 75mph on long trip back from the coast. I’m looking to replace all my trailer tires but I want to increase my capacity, I would have thought that these should have lasted longer. Our boat is a 2016 21 SPX on a galvanized Shorelandr. I have approximately...

My boat is equipped with ultra cheap Mito Marine 6.5" marine speakers (41-MS65G). The head unit is a Sony. At this point it looks like I will start with replacement of the head unit and speakers. I'll have to stay with a Sony headunit because I have the wired remote back at the swim...

Has anyone upgraded the stereo in their SPX (210/21)? I’m looking at adding an amp and sub which looks like I will need to upgrade the cheap Sony headunit and speakers as well. Has anyone added a sub? It looks extremely difficult to put a sub in the factory location , not quite sure how they...

Looks like we’ll be vacationing in Orange Beach, AL. After Covid killed our original plans we found this. We rented a house that has a boat slip/lift and is close to the beach. Plan is to trailer my boat down. What should we see or do? Good places to take the kids looking for shells ...

Sounds like the dip switch setting on your tach is wrong. On my 2016 210 SPX it was wrong and I had to change it. There is a switch on the back of the tach that is selectable based upon engine cylinders (4, 6,8).

Unfortunately this weekend I pulled the boat out of the garage for a trip to the lake and upon uncovering (Sunbrella Bow & Cockpit Covers) I discovered some mildew on the rear of the sunpad. I'm a bit perplexed on how this occurred as I have never had this issue. I store my boat in my attached...

So I did call Mercury customer service line, just for sport. Everything I described to them indicated vapor lock. As noted by members here and other documentation online it was to extend blower running time, open hatch, inspect fuel lines for 90 degree fittings, run ethanol free, etc ... I...

My engine is not DTS, just MPI. It is however a 2016 model. So can the newer models (like mine) experience the vapor lock? I thought that this was mainly an issue in earlier models? I had a friend with an 08' 4.3 MPI that it would vapor lock but he couldn't get it to start for like several...

My motor is 2016 4.3 MPI. I experienced my first issue with my boat. Had the boat at the lake over the weekend and one time out it started fine, idled away from the dock fine. Stopped the motor to load kids on the tube went and restarted motor, motor restarted fine. Put it in gear and put the...

Help CSR! I went to my local dealer to get a quote on the SR mooring cover for my 21 SPX and the price they quoted was outrageous. On the build site the Mooring cover is $634 option. The dealer wanted $1500 !!! I expected some mark up but 2.5x is crazy. I even bought my boat from this dealer...

So it looks like typically a 4.3(190hp) gets the 1.81 ratio and 4.3 MPI (220hp) get the 1.62 ratio. You are limited by your drive ratio of 1.81. Stock prop should have been a 14.25 x 21p. With that combo at 4800 rpms and 0 slip the max speed you can theoretically reach is ~52mph...

So 3400 (boat)+1000(trailer)+276 (gas)+ 75 (battery) + 200 (other) = 4951

Has anyone ever put there 210/21 SPX w/ trailer on a scale? I know we have the specs for the boat ~3400lbs but I don't know how much the tandem axle trailer weighs.

There is one piece of the puzzle that no one has addressed; drive ratio. In order to truly determine how your boat is performing you need the pitch (19), rpms (4800), speed (GPS 41mph?), and your drive ratio (1.62, 1.81, ...). I had a 2010 185 Sport with the 4.3 (190hp) and ran a 19, it was a...