Who did you take delivery of the engine from?
They may have swapped out the Oil. ???
Are the bottles actually labeled "Rotax 10w-50w Break-In Oil"
I'd like to see a picture of this Oil also!
Unlike conventional engines that commonly run aluminum pistons in a steel sleeved cylinder,
the Rotax engines are running Aluminum Pistons in Aluminum Cylinders.
There is no differential thermal expansion to deal with, allowing the tolerances to be much tighter.
Aeroshell Sport Plus 4 is the recommended Oil and there is no breaking procedure.
You can Oil it up and go balls to the wall on the first flight!
Bill Hertzel Rotax 912is North Ridgeville, OH, USA Clicking the "Thank You" is Always Appreciated by Everyone.
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