Your complete guide to maintaining and repairing Volvo Penta stern drives from 1968–1991. This trusted Seloc manual covers all Ford, GM, and Volvo-powered units with step-by-step instructions, hundreds of photos and diagrams, and detailed wiring schematics. Whether you're handling routine maintenance or tackling a full engine overhaul, you'll find maintenance schedules, troubleshooting tips, and skill ratings for each job. Built on real teardowns by Seloc's expert team, this manual is the go-to resource for DIY boaters who want to keep their boats running strong.