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  1. M

    1981 mercury lower unit ?

    Leaking gear oil out speedo hole . What could this be ? Thanks
  2. M

    1990 Johnson 175 oil mix question?????

    Buddy of mine has a 1990 hydro sport with a 175 johnson. The boat is new to him and is oil injected. He doesn't no if the alarms work for getting no oil is working or not. He called a boat shop and the said he could mix oil in the gas as well to. We thought this might cause it to fowl plugs. The...
  3. M

    1990 johnson gt175 leaking oil

    Buddy of mine has a 175 johnson and we were in the garage looking at the back of the motor and noticed oil leaking. The motor was trimmed all the way down. The oil was black and coming from under the motor cover at the top running down the lower unit. Thanks so much for your help.
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