Operation Manual S/BV6/8/9M628 0297 7945 en Engine Serial Number: Please enter engine serial number here. In this way, questions concerning Customer Service, Repairs and Spare Parts can be more easily dealt with. In view of continuos design improvements or changes, the technical specifications and the illustrations shown in this Operation Manual are subject to alteration. Reprinting and reproduction, in part or in whole, are subject to our written approval.