1999 Johnson 115 locked up

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Edward V

Recruit
Joined
Jun 13, 2011
Messages
3
I have a 1999 Johnson 115 HP motor that looked and ran like new. Motor was not abused in any way. We were cruising along and the motor just locked up. The only I did different was to use Quicksilver Premium Plus 2-cycle TC-W3 certified oil. Could this have been a problem for this motor?
 
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Daviet

Fleet Admiral
Joined
Sep 24, 2008
Messages
8,958
Re: 1999 Johnson 115 locked up

First thing I would do is drop the lower unit and see if it will turn over by hand, that will tell you if your problem is in the lower unit or powerhead.
 
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Chris1956

Supreme Mariner
Joined
Mar 25, 2004
Messages
27,158
Re: 1999 Johnson 115 locked up

The oil is not an issue. The gearcase may have seized as Daviet cites. The motor may have overheated and seized or the oil injection could have failed. You will know more when you determine what happened.
 
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Edward V

Recruit
Joined
Jun 13, 2011
Messages
3
Re: 1999 Johnson 115 locked up

I dropped the lower unit. Lower unit was locked up. Motor turns over now. Thanks for the suggestion.
 
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boobie

Supreme Mariner
Joined
Nov 5, 2009
Messages
20,826
Re: 1999 Johnson 115 locked up

OMC had probs with those gearcases back in those years. Anything protruding out the sides of it ??
 
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