What is the oil used for initial 25 hours period which is designated as break in period in Rotax 914 engines? After break in period aeroshell 4 plus will be used as mentioned in SI - 914 - 019? 

I have been working on lycoming engines and they recommend X1100 oil for the initial 25 to 40 hours period as break in period of their engines and then after break in period normal engine oil of shell is used 

Pl enlighten me on this issue 



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