This totally worked. Thanks for the video. Saved me a couple hundred bucks and a couple hours work!!! Easy to do. All I had to buy was the meter from HF... $12.
A few weeks ago I drove my prop on the rocks, with a bend shaft as result. This vid is perfect, definitely going to try this. Will save me a lot of money ;-)
That’s definitely pretty cool, but why brace it between a brick and the spoiler when you could just trim all the way down to the ground and use the jack?
Curious why you didn't leave the jack on the ground, and just jack up against the shaft, rather than putting so much pressure against the upper part of the outdrive?
Mike Metzger That won't do the job. The shaft is pretty short and you really need a lot of pressure to bend it straight. Simply putting the jack on the ground will only lift the boat of it's trailer.
Total success. No known problems since. Had fun all summer the following year and ended up selling the boat in late 2015. We had a little girl in September 2015 and we knew we weren't going to have any time to get it out. I wish I could give more of an assessment, but that's all I have. I know we used it alot that next summer (due to the expectation of having a child) so we put some hours on it in testing for sure. Good luck with yours if you're attempting to fix it.
fred williams good news, I got the shaft from .015 to .003-.004”. Bad news, it started leaking oil out the front seals. So, gotta drop the lower and fix that, plus I’ll go ahead and replace the other most bearings because of the force applied doing this today.
Fred sorry to hear that but many people do it as he did and works like a charm most will leak it you put it down further on opposite side it should have been pushed down maybe you made a mistake
Essentially, yes. The shaft will have a slight wobble to it that you probably will not even be able to see with your eyes. The micrometer gauge im using will tell you exactly where and what direction its wobbling. You want to bend the shaft to where its closest to zero movement as possible. Though this may not be possible without specialty tools you CAN get it back to normal specs using this method. You want to bend the shaft where the micrometer spikes up. So find the spot the spikes the mic, place a mark with a black marker on that spot, and place that spot on the jack to apply pressure to that spot to bend it toward center. A LITTLE AT A TIME. SLOWLY. It doesnt take much. i went too far several times and had to start over.
To my knowledge, heating metal doesn't affect hardness unless it's cooled very quickly such as submerging in brine after heating. But I could be wrong. Anyone with expertise want to follow up?
True. But in order to replace the entire shaft with a perfectly new straight one I would have to disassemble the entire lower unit. So if any more issues arose I would have to disassemble it anyway. It was definitely worth a try considering the only other option was to rebuild it.
This totally worked. Thanks for the video. Saved me a couple hundred bucks and a couple hours work!!! Easy to do. All I had to buy was the meter from HF... $12.
What's the name of the meter
@@jarceconstructionllc4525 its a .. micrometer
A few weeks ago I drove my prop on the rocks, with a bend shaft as result.
This vid is perfect, definitely going to try this. Will save me a lot of money ;-)
Did the job this weekend ! Worked like a charm. Thanks a lot !!!!!!
Just glad to help... Thanks for the feedback and follow-up.
Just did this on a yamaha and worked perfectly, but I was getting a little nervous lol. Thanks man..
Did you heat the shaft when doing the Yamaha? Any issues with seals?
@@willwatkins4036 no I didn't heat it I think that would damage the seal and so far I haven't had any issues at all still running fine
That’s definitely pretty cool, but why brace it between a brick and the spoiler when you could just trim all the way down to the ground and use the jack?
Duh! Never mind
I like the idea of using the trolley jack, but heating the shaft will damage the oil and water seal, i'm going to cold bend mine.
Curious why you didn't leave the jack on the ground, and just jack up against the shaft, rather than putting so much pressure against the upper part of the outdrive?
Mike Metzger That won't do the job. The shaft is pretty short and you really need a lot of pressure to bend it straight. Simply putting the jack on the ground will only lift the boat of it's trailer.
Initially I tried that, but I ended up putting too much pressure on the transom. I stopped before I caused any damage.
Fred, what was the long term effect of this job? Success or any other issues come up? Thanks for the video.
Total success. No known problems since. Had fun all summer the following year and ended up selling the boat in late 2015. We had a little girl in September 2015 and we knew we weren't going to have any time to get it out. I wish I could give more of an assessment, but that's all I have. I know we used it alot that next summer (due to the expectation of having a child) so we put some hours on it in testing for sure. Good luck with yours if you're attempting to fix it.
fred williams good news, I got the shaft from .015 to .003-.004”. Bad news, it started leaking oil out the front seals. So, gotta drop the lower and fix that, plus I’ll go ahead and replace the other most bearings because of the force applied doing this today.
Fred sorry to hear that but many people do it as he did and works like a charm most will leak it you put it down further on opposite side it should have been pushed down maybe you made a mistake
When u bend the shaft, do u bend it at the point where the number jumps up
Essentially, yes. The shaft will have a slight wobble to it that you probably will not even be able to see with your eyes. The micrometer gauge im using will tell you exactly where and what direction its wobbling. You want to bend the shaft to where its closest to zero movement as possible. Though this may not be possible without specialty tools you CAN get it back to normal specs using this method. You want to bend the shaft where the micrometer spikes up. So find the spot the spikes the mic, place a mark with a black marker on that spot, and place that spot on the jack to apply pressure to that spot to bend it toward center. A LITTLE AT A TIME. SLOWLY. It doesnt take much. i went too far several times and had to start over.
You will need to replace the seal, not only did it get hot, it got smashed.
I'm wondering if heating the shaft will effect the hardness/heat treatment of the prop shaft?
To my knowledge, heating metal doesn't affect hardness unless it's cooled very quickly such as submerging in brine after heating. But I could be wrong. Anyone with expertise want to follow up?
+fred williams
yes don't heat it up
+fred williams I think heat would be fine, in the way you used it.
@@My_friend_is_ReaReaOnPaws YOU ARE VERY WRONG!!! Do your own research and you will see for yourself
The problem here is you arent bending it back where the actual bend is and can cause more issues in the end
True. But in order to replace the entire shaft with a perfectly new straight one I would have to disassemble the entire lower unit. So if any more issues arose I would have to disassemble it anyway. It was definitely worth a try considering the only other option was to rebuild it.
You had to fry the seals when heating this.
Nope, I was very careful to keep from heating them too much. Though I was worried about getting them too hot.