Underwater debris can ruin a day on the water.
A jet sucks up water into the impeller tube to propel it forward. As a result, it is very common for the boat to suck up debris, weeds and other foreign objects…especially in shallow water. Often, the boat needs to be taken out of the water for service to clear the obstruction. The Cobalt sterndrive provides a guard from this occurrence by nature of it's gear housing forward of the propeller, and because there is no tube around the propeller to swallow up debris. Next