This manual covers the Force 150 hp 5 cyl 2-stroke outboard motor manufactured between 1990 and 1994. Designed for marine propulsion, these engines are known for their robust engineering and reliable performance. This service manual provides comprehensive information to ensure optimal operation and longevity of your Force outboard motor. The purpose of this Factory Service Repair Manual is to provide detailed guidance for the maintenance, repair, and troubleshooting of your Force outboard motor. It includes step-by-step instructions, detailed illustrations, diagrams, and wiring schematics covering all aspects of the unit, from general information and safety to specific systems like the fuel, ignition, lubrication, and cooling systems. This manual is an essential resource for owners, mechanics, and technicians to perform all necessary service procedures accurately and efficiently.