It sounds crazy, but maybe they're using all sealed rolling element bearings, with no oil at all?? Notice that the intake ports would also be completely open to any oil splashing/falling from the crank case when the pistons are at full compression.
It sounds crazy, but maybe they're using all sealed rolling element bearings, with no oil at all?? Notice that the intake ports would also be completely open to any oil splashing/falling from the crank case when the pistons are at full compression.
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