If you own a Yamaha 1986-1991 9.9HP-15HP outboard, this workshop repair manual is essential for maintaining its reliability and performance. It includes detailed information on general maintenance, periodic inspections, fuel system, carburetion, powerhead overhaul, lower unit overhaul, electrical systems, recoil starter, and appendices. This comprehensive manual is suitable for both professional mechanics and DIY enthusiasts. Whether for personal or professional use, this manual provides all the necessary information to keep your outboard in top condition.
