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Another unknown engine help needed to...

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paul o conner
New member
Username: yeha

Post Number: 1
Registered: 11-2010
Posted on Thursday, November 25, 2010 - 12:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Folks, am new to this webpage and looks like a ton of onfo here well done to all.
I have just bought a boat with a green coloured 2 stroke 2 cylinder saildrive engine. The boat is 1984. The flywheel is horizontal as is the alternator on top of the engine.Any help would be greatly appreciated. It has not been ran for 6 years but it is not seized so I might go ahead and work on it. Thanks
Here is a photo of the engine, There is no markings that I can find on it.
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Roger DiRuscio
Senior Member
Username: solarrog

Post Number: 455
Registered: 03-2002


Posted on Thursday, November 25, 2010 - 12:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I can not ID it for you, but if you plan on using it, I would pull it out and take it apart to verify condition. There is so much corrosion I would worry about the water jackets being blocked. I am guessing this is a salt water motor? It looks like a outboard motor power head set up for inboard use. I have not seen this set up before. Maybe an OMC product?
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paul o conner
New member
Username: yeha

Post Number: 2
Registered: 11-2010
Posted on Thursday, November 25, 2010 - 01:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Thanks for your input Roger.
The only places so far that I can see corrosion is the flywheel and alternator and bracket but the photo makes the corrosion look worse than it is. I probably will pull the engine and check it out properly (waterjackets etc.) It is a salt water motor.Yes the setup is unusual to me too. It is a saildrive and the leg under the boat is directly under the engine. Any other ideas of what it could be anyone?
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paul o conner
New member
Username: yeha

Post Number: 3
Registered: 11-2010
Posted on Thursday, November 25, 2010 - 07:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Hi Roger,
Looks like you hit it on the head on the first time,
Might be an OMC Zephyr Saildrive that uses an 20 to 25hp outboard type powerhead.
Many thanks again.
Derek

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