first off, on a merc, you don't screw the crankshaft nut off before fitting the lifting eye, it goes on with out removing the crank nut. You might get a surprise. On OMC's , they use the three bolts in the flywheel to lift the engine, I have a lifting plate that bolts up using the three threaded bolt holes. You can make a lifting plat by using the plate of a three bolt puller and a bolt thru the center to attach a chain. I've lifted some OMC's with two bolts and some chain, I didn't like doing it that way, but we got it lifted with out incident. I was always worried about the bolts breaking off because of the uneven force of just two bolts. We picked a Honda 90 up the other day using a strap wrapped around the underside of the steering bracket, probably not the safest way to do it, but we got it done
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