A new filter gets put in each flush, and there was tons of stuff was trapped by the filter and sludge was inside. Are our motors that dirty if the oil is changed regularly? Looked like the machine is for real but imho a flush every year is not gonna prolong engine life. If the factory recommended it it'd be a different story. Whadda you fellas think?

 

motors get so dirty. I wouldnt worry about it. But what would i know