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    What Oil should I use for '87 Mercruiser 2.5L I/O

    Yeah true. Found the oil that I need the 10w30 but it's conventional oil. Heres a picture. Not sure if it's any good.
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    What Oil should I use for '87 Mercruiser 2.5L I/O

    Found this would this work? It says diesel on it. Would it matter if it's a T5 oil and not T4?
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    What Oil should I use for '87 Mercruiser 2.5L I/O

    Okay ill stick to finding 10w30. Do you guys think outboard oil can be used in inboard engines? I found 10w30 but it states on the bottle that it's for use in outboard engines. It's the quicksilver 4 stroke...
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    What Oil should I use for '87 Mercruiser 2.5L I/O

    Hi guys new here. So its winterization time is approaching and Im looking to service my boat, meaning change fluids etc. The problem Im facing is what oil should I use for my boat? Its an 87 Mercruiser 2.5L 120HP inboard/outboard engine, has a cast iron block. GM Chevy block. The oil cap says...
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