Many auto parts stores sell fogging oil, and it's made by multiple manufacturers. Here's a link to the product that CRC makes:
Compare the lower water pump housings as there are different O.D's, you could have a smaller one and oil leaking around o-ring.
This is a new to me motor that came packaged with a sailboat I recently purchased. First time owning a two-stroke - as I had a diesel inboard before
Richard here, found problem, the "stator mount" that holds the coils is easy to mis-mount, has three legs with bolts going thru small barrels
Bolt under the trim tab removed ?----------Then use thick washers above the nuts on the side and see if you can use them to push it down.