Mucker626 Posted August 31, 2018 Report Share Posted August 31, 2018 i too thought they would have added bolts to the lower side...but one cant out think engineers. Quote Link to comment Share on other sites More sharing options...
onequicktang Posted August 31, 2018 Author Report Share Posted August 31, 2018 Hard to tell in the picture, nor have i analyzed that part on my boat, but if the top bolts hold the "side" tight to the "frame" than there would be no need for bolts. Quote Link to comment Share on other sites More sharing options...
onequicktang Posted August 31, 2018 Author Report Share Posted August 31, 2018 I 100% agree that 4 mounts are not enough Jake (((O))) 1 Quote Link to comment Share on other sites More sharing options...
timayz Posted August 31, 2018 Report Share Posted August 31, 2018 They are flush against the side with the weight setting on them for sure. There is only the top two bolts preventing them from moving in the up direction as the assembly tries to twist under a load. I guess I'll have to get a video of the flex to show you all. I would not call it trying to out think the engineer when the bracket was engineered with 4 mounting points. Adding two more mounts would help I'm sure. So would properly securing the 4 supplied in my opion. If it was possible that is. Can anyone confirm that adding bolts to the bottom would penitrate the ballast tanks? Quote Link to comment Share on other sites More sharing options...
Mucker626 Posted August 31, 2018 Report Share Posted August 31, 2018 I would not call it trying to out think the engineer when the bracket was engineered with 4 mounting points. what I'm saying is we should not be having this problem and discussing solutions!! onequicktang 1 Quote Link to comment Share on other sites More sharing options...
Jake (((O))) Posted August 31, 2018 Report Share Posted August 31, 2018 Feel free to cut into it lol! I'm sticking with the education I got from Cecil at Elberts's. Sent from my SM-G960U using Tapatalk Quote Link to comment Share on other sites More sharing options...
timayz Posted August 31, 2018 Report Share Posted August 31, 2018 Feel free to cut into it lol! I'm sticking with the education I got from Cecil at Elberts's. Sent from my SM-G960U using Tapatalk Ha! No thanks that guinea pig I will not be. Edit: After tapping on the wall it gets thin before the bottom holes. So without strength behind it adding bolts would only make things worse all around. There goes that idea. They are not "flush" against that wall as I previously stated either. Ugh. Jake (((O))) 1 Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted August 31, 2018 Report Share Posted August 31, 2018 I am just finishing mine up this week. Replacing everything myself as I am out of the 3 yr warranty. How did you handle the replacement of the motor mounts? DId you do one at a time as others on here did or did you secure the motor some other way? I'm going to get started on mine this weekend. Quote Link to comment Share on other sites More sharing options...
timayz Posted August 31, 2018 Report Share Posted August 31, 2018 How did you handle the replacement of the motor mounts? DId you do one at a time as others on here did or did you secure the motor some other way? I'm going to get started on mine this weekend. One at a time. Only real thing I noticed to watch for is running the bolt in before you seat the top bushing. If the trunnion is of center you will risk cross threading if you seat the bushing first. Put them all back where they were set at then adjusted from there. Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted August 31, 2018 Report Share Posted August 31, 2018 Here is my "opinion" on a big part of the issue at hand after the install. I am not an engineer, just an old mechanic / part time fabricator. One who brags about his MB and will continue to. Like I said above I admit I did not check my tolerance as often as I should have. That does not mean failure should have happened at this point. The mount brackets are only secured from the top! Not from the top and the sides as designed. I read somewhere people are thinking 4 mounts instead of 6 as big factor. My opinion would be that 2 bolts securing the mount to the structure vs 4 as one of the "root causes" to this problem. Anther potential "root cause" as I keep asking why (5 why's) may be by design the hard ballast tanks do not allow room for said mount bolts? In the end when torque is applied there needs to be structural integrity preventing the lift of one side as it prevents the downward force on the other. This mount setup does not secure "lifting" forces properly. The rubber mounts take the abuse and wear as they are designed to do. To the point they lose flexibility, the alignments starts to shift, and snap. Sure we can add rubber or poly that is more dense than we had before and potentially get more life out of them.....I would guess however, we are not addressing the root cause of this issue. Just Tim's opinion. I heard as well that the engine mount design was changed from 6 to 4 and that's when this and the prop shaft seal leak became an issue. I too wonder what the life expectancy of the new mounts is. Is this going to become part of preventative maintenance? Quote Link to comment Share on other sites More sharing options...
Jake (((O))) Posted August 31, 2018 Report Share Posted August 31, 2018 While better, I don't love the mounts. If we could get them out if hard poly I'd buy a set. I found pulling the upper mount in with the bolt is the way to go. Keep close tabs on the jam but, you want it close to the trunion st alo times or it will end up in the bottom of the upper mount. Sent from my SM-G960U using Tapatalk Quote Link to comment Share on other sites More sharing options...
Hondatech117 Posted August 31, 2018 Report Share Posted August 31, 2018 you want it close to the trunion st alo times or it will end up in the bottom of the upper mount. Sent from my SM-G960U using Tapatalk What the hell part is that? Quote Link to comment Share on other sites More sharing options...
Jake (((O))) Posted August 31, 2018 Report Share Posted August 31, 2018 At all times But Samsung doesn't like the word trunion so it auto changes everything to a street Sent from my SM-G960U using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jake (((O))) Posted August 31, 2018 Report Share Posted August 31, 2018 And use air! Sent from my SM-G960U using Tapatalk Quote Link to comment Share on other sites More sharing options...
onequicktang Posted September 4, 2018 Author Report Share Posted September 4, 2018 I heard as well that the engine mount design was changed from 6 to 4 and that's when this and the prop shaft seal leak became an issue. I too wonder what the life expectancy of the new mounts is. Is this going to become part of preventative maintenance? I 100% do not expect to these mounts to be much better. 1 of my trans mounts was sunk after 3 hours, I had to flip it when redoing my alignment, of course this may have been installer error on the dealership part! If you just run that bolt down tight and try to get too much adjustment it will smash the mount. Quote Link to comment Share on other sites More sharing options...
motoman160 Posted September 6, 2018 Report Share Posted September 6, 2018 I know of 3 different people that I turned on to MB that bought boats and have all broke at least one shaft. There is a guy here in Colorado that has told my buddy that MB knows the alignment is off by a few degree but they won't fix it. This is a problem and MB does nothing about it, Im sure other have broke shafts from hitting stuff but i know for a fact there are boats out there that have had this problem with out hitting anything. Our boats has been good and we have liked it but we are ready for a new one and sad to say MB is not on the list. I have been lucky not to have may problems but I can't say the same for the rest of the people I know. I don't know onequicktang or Jeff but i was pretty shocked to hear a dealer respond on here like you did Jeff. Trust me i get it i work for a dealership and there are times i want to say something but i have learned over the years that if you truly do the right thing and take care of your customers you don't need to defend yourself people will see right through the customers that trying to bash a dealer. Sorry but that was a fail on your part letting him get to you. I have watched 2 MBs sit for over 2 months now waiting on shafts and they have been riding with us ( I do like the added weight) but i feel bad for the people that are having this problem. onequicktang 1 Quote Link to comment Share on other sites More sharing options...
Jake (((O))) Posted September 6, 2018 Report Share Posted September 6, 2018 Complete BS that you can't align these boats. No need to spread hearsay that is misinformed. Sent from my SM-G960U using Tapatalk Quote Link to comment Share on other sites More sharing options...
onequicktang Posted September 12, 2018 Author Report Share Posted September 12, 2018 I think his point is valid, I also agree with Jake that they are not un-align able.... There is a issues and im not very confident that the updated motor mounts fix it....... They may last longer than the original design, but i dont believe its the 100% fix! Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted September 16, 2018 Report Share Posted September 16, 2018 For those who did this job themselves, I could use some guidance. I've got the front 2 mounts finished. I'm working on the back now and am having a problem with clearance. The nut on the motor mount bolt just above the trunion doesn't have enough room to get a wrench on it. Anyone else have this issue? Quote Link to comment Share on other sites More sharing options...
Mucker626 Posted September 16, 2018 Report Share Posted September 16, 2018 I used an angle head wrench for those. AZ_MB 1 Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted September 16, 2018 Report Share Posted September 16, 2018 I used an angle head wrench for those. Thanks, was not familiar with these Quote Link to comment Share on other sites More sharing options...
Foo Posted September 17, 2018 Report Share Posted September 17, 2018 For those who did this job themselves, I could use some guidance. I've got the front 2 mounts finished. I'm working on the back now and am having a problem with clearance. The nut on the motor mount bolt just above the trunion doesn't have enough room to get a wrench on it. Anyone else have this issue? If you are talking about the jam nut, I actually "made" a tool out of a cheap wrench for that purpose AZ_MB 1 Quote Link to comment Share on other sites More sharing options...
Foo Posted September 17, 2018 Report Share Posted September 17, 2018 For those who did this job themselves, I could use some guidance. I've got the front 2 mounts finished. I'm working on the back now and am having a problem with clearance. The nut on the motor mount bolt just above the trunion doesn't have enough room to get a wrench on it. Anyone else have this issue? If you are talking about the jam nut, I actually "made" a tool out of a cheap wrench for that purpose Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted September 18, 2018 Report Share Posted September 18, 2018 If you are talking about the jam nut, I actually "made" a tool out of a cheap wrench for that purpose IMG_0443.JPG Good idea! Yes, the jam nut is what I'm talking about. Didn't know that was the name, but now I do. What did you cut it with? Angle grinder? Quote Link to comment Share on other sites More sharing options...
AZ_MB Posted September 20, 2018 Report Share Posted September 20, 2018 Anyone else have a problem with clearance between the prop shaft coupler and transmission? I can't quite fit my wrench and socket in even when the shaft is pushed as far toward the shaft seal as possible. The wrench and socket are 2.25" and are just a hair too long. Quote Link to comment Share on other sites More sharing options...
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