Owner's Manual and Operator's Guides | Sea-Doo | Sea-Doo US Access our operator’s guides and manuals by year and model. Discover safety tips and useful information before heading out on the water! SEA-DOO GTI SERIES OPERATOR'S MANUAL Pdf Download. View and Download Sea-doo GTI Series operator's manual online. GTI Series Boat pdf manual download. Also for: Rxp x series, Wake series, Gti se series.