This Service Repair Manual covers the Mercury 150 HP outboard motor manufactured in 1995, with serial numbers 0G129272 and above. This V6, 2-stroke engine delivers approximately 150 horsepower and features a water-cooled system, CDI ignition, and a carbureted fuel delivery system. Its Thunderbolt IV gearcase and outboard drive are engineered for reliable performance in various marine applications. This manual provides comprehensive guidance for maintenance and repair procedures. It details essential information for owners, mechanics, and technicians, including specifications, troubleshooting steps, and recommended service intervals. By following the instructions within this guide, users can ensure the optimal performance and longevity of their Mercury 150 HP outboard motor.