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Lower Unit Plug #13234259 08/03/19 03:56 PM
Joined: Jan 2011
Posts: 515
Loomis ex Offline OP
Pro Angler
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Joined: Jan 2011
Posts: 515
I have a stubborn plug on the upper part of my lower unit. It is on a Yahama sho 250. I need to remove it to drain and add the lower unit oil.
Besides a big screwdriver, is there a tool adaptor or socket that can remove it without stripping the face?
Also, I've heard you can replace it with a plug that has a hex fitting instead of a screwdriver.
Thanks.

Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Lower Unit Plug [Re: Loomis ex] #13234300 08/03/19 04:54 PM
Joined: Oct 2016
Posts: 354
Tin Star Cajun Offline
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Posts: 354
Need to use an impact screwdriver! That's what I had to use. Worked great.


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Re: Lower Unit Plug [Re: Loomis ex] #13234626 08/03/19 11:44 PM
Joined: Jan 2003
Posts: 1,665
S
squib Offline
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Re: Lower Unit Plug [Re: Loomis ex] #13234714 08/04/19 01:18 AM
Joined: Aug 2011
Posts: 597
F
ForkedJames Offline
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Impact screwdriver is what I had to use also


James Grimsley
Re: Lower Unit Plug [Re: Loomis ex] #13234747 08/04/19 01:41 AM
Joined: Oct 2007
Posts: 331
M
MATT REGAN Offline
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Joined: Oct 2007
Posts: 331
snap on makes a heavy duty screw driver with a fat tip to fit the bigger slot in the plug. its made for that and works great

Re: Lower Unit Plug [Re: Loomis ex] #13234942 08/04/19 10:57 AM
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3
361V Offline
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Impact screw driver. My entire life I have never understood why a Phillips Head screw was and still is used by manufacturers for these lower unit plugs.

Last edited by 361V; 08/04/19 10:58 AM.
Re: Lower Unit Plug [Re: Loomis ex] #13235283 08/04/19 04:53 PM
Joined: Dec 2011
Posts: 1,617
NickHasty Offline
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Shouldnt have to be screwed in that tight...seems like that would defeat the purpose of the o ring / gasket ...

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