A downloadable repair manual, also termed factory service manual, is a book of repair instructions that describes the maintenance, service and repair procedures for the complete watercraft.. New Listing Yamaha GP760 GP800 GP1200R GP1300 Wave Runner Jetski Service Repair Shop Manual (Fits: 1998 Yamaha WaveRunner GP800) TechSpark Studio programs contain all the necessary instructions needed for any service or repair your vehicle may require..