"Engine oil You should have ch
"Engine oil You should have changed BEFORE storage, fuel tank should have been as empty as possible with some fuel stabilizer added for the rest.
However charge Your batteries and start Your engine and let it run warm, then change oil and filter.
Add fresh fuel so You at least have 80% fresh fuel and go boating. Take the first hour or so as a run-in period to get valves etc properly seated again (corrosion risk at seats)before full load test. After first trip check Your fuel filters for water. If water -change, if not keep on but always keep a set of filters in the boat.
If points, check and change if burned. Always change condenser at the same time as points."