Lower unit oil? Question

Discussion in 'Outboard Maintenance' started by grovesnatcher, May 6, 2013.

  1. grovesnatcher

    grovesnatcher Well-Known Member

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    Ran the boat on the hose tonight and noticed some oil dripping out, not sure its lower unit oil or just running rich 2 stroke oil leaking a little from exhaust? It's blackish color and smells like 2 stroke oil I think.
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    Anyone ever see this? Canceling my trip in case it's prop seal leaking. 2000 Yamaha 130 2 stroke.
     
  2. Dillusion

    Dillusion devilray snob

    If it smells horrible its LU oil, if its black its unburnt oil from your 2 stroke.
     

  3. cutrunner

    cutrunner Cert. Yamaha technician

    2 stroke oil, dont cancel the trip
     
  4. grovesnatcher

    grovesnatcher Well-Known Member

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    Just bought the boat and I don't think it's been run lately, it smells like the burnt oil. I don't think it's lower unit oil. It's hard to get the screw out of the lower unit so I'm letting her soak over night to losen up. So I can check color of unit oil to be sure. Thanks guys :)
     
  5. JBMitziSkiff

    JBMitziSkiff Ninja balance is the key... for a poling platfrom

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    2 Stroke oil. My old Johnson 48 spl did the same thing. I replaced LU seals and after pulling it apart I was like dang! Better safe than sorry. Nothing to worry about plus if it was a bad lower unit seal it would probably be more milky than black and stink real bad.
     
  6. grovesnatcher

    grovesnatcher Well-Known Member

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    Thanks it was 2str oil exhaust.
     
  7. cutrunner

    cutrunner Cert. Yamaha technician