$399.00 for OS 21 XM Vll New Outboard Engine. We have New and Used OS engines and parts for sale. These items are offered as we acquire them and offer them to help our RC Boat Hobby NAMBA and IMPBA outboard stock classes. We are here to sell Novarossi Engines and Parts but offer this as a service to our hobby pending Novarossi's availability one day of complete Stock Outboard Engines including powerhead, stock muffler, and lower units. Please email firstname.lastname@example.org with any questions that you may have. Thanks.