Hi, This is my 1st post on this site! Thanks in advance for your help!!<br /><br />Setup:<br />16' Geneva fiberglass runabout<br />Volvo Penta AQ130/270<br />4 cylinder<br />Prop: 15 15<br /><br /><br />When I put the boat in reverse (around 2000 rpm)it'll start to splash water all over the back...