My buddy has an late 80s 150 mercury. The owner left 4 stroke oil container in the boat. Did mercury make 4 strokes in the 80s and what will happen if you use 4 stroke oil in a 2 stroke engine.
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Love, what more can I say
No, mercury did not make 4 stroke outboards in the late 80s. It's not uncommon for dealers to purchase 2 stroke oil by the 55gal drum and sell it at discounted pricing by the gallon to those that bring in their own container. Also, many shops generated empty containers that were filled with 2 stroke oil out of the drum. It may be that the container has 4 stroke oil or two stroke. If unsure, toss it out.
I'd rather be fishing.timd3200 LIKED above post