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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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 Lower Unit Spun On It's Own I have a 2013 PD 36HP. I went take a ride yesterday and when I was coming back in to the landing the lower unit turned on me and made the boat turn hard to the left. The thing is that I didn't ratchet to reverse at all. Not sure what could have caused it but maybe the last time I used it I didn't lock the pin in all the way. Any body know what could of caused this besides the pin not being locked in?
17x48 xseries 36hp Pro-Drive
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| Tue Jan 21, 2014 6:32 am |
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banded-mallard
MMT 1000 Club
Joined: Wed Oct 07, 2009 8:18 pm
Posts: 4310
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Re: Lower Unit Spun On It's Own
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| Tue Jan 21, 2014 6:36 am |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own
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| Tue Jan 21, 2014 7:13 am |
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JLACOUR
MMT 1000 Club
Joined: Wed Jan 14, 2009 8:18 pm
Posts: 4915
Location: Lake Jackson, TX
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Re: Lower Unit Spun On It's Own The "hard left" is throwing me off. The LU naturally spins the other way that would make the boat turn right, right?
_________________
37 PD EFI FPR 18x48 Tiller
SOLD -- 36 PD EFI FPR 18x48 Stick Steer
SOLD -- 27 PD FPR 16x36 Skiff
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| Tue Jan 21, 2014 7:24 am |
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naj
MMT 1000 Club
Joined: Fri Jan 22, 2010 8:40 pm
Posts: 1620
Location: Larose, Louisiana
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Re: Lower Unit Spun On It's Own I would take the pin off and check it out before using again.
Sent from my iPhone using Tapatalk
_________________
18' X 48" Center Console Sportsman Fab with a Yamaha F70LA
18' X 48" Center Console Sportsman Fab Dragging a 36hp ProDrive
15' X 42" Sea Arch with a 27hp ProDrive
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| Tue Jan 21, 2014 8:09 am |
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banded-mallard
MMT 1000 Club
Joined: Wed Oct 07, 2009 8:18 pm
Posts: 4310
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Re: Lower Unit Spun On It's Own
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| Tue Jan 21, 2014 8:46 am |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own
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| Tue Jan 21, 2014 9:06 am |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own My buddy was in front of me and he thought I had lost my hat because it turned so fast lol. I'll pull the pin off and see if the spring is broke or what not
17x48 xseries 36hp Pro-Drive
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| Tue Jan 21, 2014 9:12 am |
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Will
MMT Elite Member
Joined: Fri Jul 08, 2011 1:54 pm
Posts: 8133
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Re: Lower Unit Spun On It's Own I lost the main bolt in the hydraulic reverse one day hauling ass through a canal and hit the marsh bank, didn't know wtf happened for a second. Went back with a grade 8 and double jamb nutted that bustard 
_________________
Before the internet, the majority of the village idiots stayed in their villages.
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| Tue Jan 21, 2014 9:53 am |
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bmartina
MMT Addict
Joined: Tue Dec 25, 2012 11:27 pm
Posts: 641
Location: Apalachicola Fl
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Re: Lower Unit Spun On It's Own
_________________
16x42 Charles Leonard ... Sold
18x46 Gator Tail w/ 35 gtr stage 1 by hoyt
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| Tue Jan 21, 2014 11:15 am |
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bmartina
MMT Addict
Joined: Tue Dec 25, 2012 11:27 pm
Posts: 641
Location: Apalachicola Fl
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Re: Lower Unit Spun On It's Own
_________________
16x42 Charles Leonard ... Sold
18x46 Gator Tail w/ 35 gtr stage 1 by hoyt
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| Tue Jan 21, 2014 11:15 am |
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bmartina
MMT Addict
Joined: Tue Dec 25, 2012 11:27 pm
Posts: 641
Location: Apalachicola Fl
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Re: Lower Unit Spun On It's Own
_________________
16x42 Charles Leonard ... Sold
18x46 Gator Tail w/ 35 gtr stage 1 by hoyt
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| Tue Jan 21, 2014 11:19 am |
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diddyduck
MMT 1000 Club
Joined: Mon Sep 02, 2013 10:24 pm
Posts: 2624
Location: ponchatoula, la
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Re: Lower Unit Spun On It's Own
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| Tue Jan 21, 2014 11:24 am |
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JIMMY W
MMT 1000 Club
Joined: Tue Jan 13, 2009 8:02 pm
Posts: 4534
Location: South Louisiana
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Re: Lower Unit Spun On It's Own
_________________
17/54 GT EXTREME Center Console, Huntdeck w/ GTR 35
Hoyt Mods and some other goodies
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| Tue Jan 21, 2014 1:56 pm |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm
Posts: 5376
Location: Venice, La
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Re: Lower Unit Spun On It's Own What you encountered is known as the death spin. Your pull pin can be over greased and its getting hydrolocked which isn't allowing it to return fully. Work it by hand and force any excess grease out ( up and down). I personally never grease my pin, I just pull it down and spray it with a lubricant. Other issues could be a worn or bent pin. In those cases you will need a new one and that should fix the problem. In the rare occurrence it doesn't, than you will have to replace the reverse plate as well.
The reason it went left was do to prop rotation / tiller torque.
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| Wed Jan 22, 2014 10:26 am |
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cupped up
MMT 1000 Club
Joined: Tue Jun 05, 2012 7:25 pm
Posts: 4205
Location: St. Amant, LA
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Re: Lower Unit Spun On It's Own He's alive!!! Holy chit!
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| Wed Jan 22, 2014 10:37 am |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm
Posts: 5376
Location: Venice, La
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Re: Lower Unit Spun On It's Own I feel like the walking dead! lol
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| Wed Jan 22, 2014 10:42 am |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own Thanks for the help guys. I'm gonna work on it today.
17x48 xseries 36hp Pro-Drive
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| Wed Jan 22, 2014 11:12 am |
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bayouboy
MMT Elite Member
Joined: Tue Jan 13, 2009 6:08 pm
Posts: 5376
Location: Venice, La
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Re: Lower Unit Spun On It's Own It would be a good idea to remove the pin and inspect it visually, It also could have a weak or broken return spring.
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| Wed Jan 22, 2014 12:55 pm |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own
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| Wed Jan 22, 2014 3:13 pm |
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cajunswampninja
MMT Member
Joined: Thu Sep 26, 2013 7:30 pm
Posts: 34
Location: Berwick, LA
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Re: Lower Unit Spun On It's Own Well I got to look at the pin and look deeper in to it and found that there was a little more grease then it should have. I just took a rag and cleaned around it and what not and put new grease in it. No problems so far. Thanks for the help guys
17x48 xseries 36hp Pro-Drive
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| Mon Jan 27, 2014 6:10 am |
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naj
MMT 1000 Club
Joined: Fri Jan 22, 2010 8:40 pm
Posts: 1620
Location: Larose, Louisiana
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Re: Lower Unit Spun On It's Own I bet it will be months before your asshole is not puckered driving that thing around.
Always gonna be on your mind.
Sent from my iPhone using Tapatalk
_________________
18' X 48" Center Console Sportsman Fab with a Yamaha F70LA
18' X 48" Center Console Sportsman Fab Dragging a 36hp ProDrive
15' X 42" Sea Arch with a 27hp ProDrive
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| Mon Jan 27, 2014 7:16 am |
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owen5
MMT Pro Member
Joined: Sun Dec 18, 2011 5:07 pm
Posts: 58
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Re: Lower Unit Spun On It's Own did they change something between 08 and 13. i know that it is a lot of time but i am 99% sure that my lu on my PD spins to the clockwise which if this happened to me would put me in a left turn. just wondering?
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| Mon Jan 27, 2014 4:03 pm |
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shooter
MMT Pro Member
Joined: Wed Jul 21, 2010 5:59 pm
Posts: 406
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Re: Lower Unit Spun On It's Own
_________________
32 PD with EVT cam, decked heads, shaved pistons and not enough sense to leave things alone!
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| Mon Feb 03, 2014 2:55 pm |
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Will
MMT Elite Member
Joined: Fri Jul 08, 2011 1:54 pm
Posts: 8133
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Re: Lower Unit Spun On It's Own
_________________
Before the internet, the majority of the village idiots stayed in their villages.
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| Wed Feb 05, 2014 5:26 am |
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BlueShamu
MMT Elite Member
Joined: Mon Feb 06, 2012 6:13 pm
Posts: 5605
Location: D'town, LA
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Re: Lower Unit Spun On It's Own I will use that one, soon! Sent using Morse Code from my not so smart phone.
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| Wed Feb 05, 2014 12:34 pm |
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