This service manual is for the 1996-1997 Yamaha 20HP 2-Stroke outboard engine, covering models 20MSHU, 20MLHV, 20MSHV, 20MLHU. It is a comprehensive guide useful for both professional mechanics and DIY enthusiasts. The manual includes the following chapters:
GENERAL INFORMATION SPECIFICATIONS
PERIODIC INSPECTIONS AND ADJUSTMENT
FUEL SYSTEM
POWER UNIT
LOWER UNIT
BRACKET UNIT
ELECTRICAL SYSTEM
Additionally, it provides a troubleshooting section covering various issues such as starting difficulties, rough idle, stalling, poor deceleration, overheating, loose steering, and more. This manual works on all computers without the need for special software. It describes detailed service procedures for the complete engine, including removal and installation of components in a step-by-step fashion.
