Preowned powerboats for sale under feet Preowned high performance powerboats, cruisers, and yachts for sale by owner..V Merc Black Max SS prop, Rapid Jack jackplate. mph @ rpm. “Trying to get more out of her, just recently .Info Your browser does not accept cookies. To put products into your cart and purchase them you need to enable cookies..To have your JAVELIN added to this list, click on Add a Boat fill in the form and hit “Submit”. Your boat will be added asap..