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An important thing to note here is that the 135 is delivered from the factory with synthetic oil. There is a major "break-in" difference between conventional and synthetic oil.
In the factory - they put the completed engine through its paces on a test stand with conventional oil in it - this performs a surprising amount of break-in on the brand new internal surfaces. Then this oil is drained in the factory and refilled with synthetic. From this point (with synthetic) there is very little "break-in" going on inside the engine.
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