Yamaha outboard motor 25B / 30H, repair e-manual
About the manual
Engine type: Yamaha 25B / 30H
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Boat motor design and prevention information
- Information for a trip to the service station, if self-repair is not possible
About the manual
Engine type: Yamaha 25B / 30H
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Boat motor design and prevention information
- Information for a trip to the service station, if self-repair is not possible
Contents
General information
- Identification
- Safety while working
- Special tools
- Features and benefits
- Technical tips
Specifications
- General specifications
- Maintenance specifications
- Tightening torques
Periodic check and adjustment
- Maintenance interval chart
- Top cowling
- Fuel system
- Control system
- Power unit
- Cooling system
- Lower unit
- General
Fuel system
- Fuel joint, fuel filter, and fuel pump
- Fuel pump
- Carburetor
Power unit
- Recoil starter
- Flywheel magnet
- Power unit
- Magnet base and control lever
- Intake manifold and reed valves
- Cylinder head
- Exhaust cover
- Crankcas
- Crankshaft and cylinder body
Lower unit
- Lower unit
- Water pump
- Shift rod
- Propeller shaft housing
- Drive shaft
- Lower case
- Shimming
- Backlash
Bracket unit
- Steering handle
- Bottom cowling
- Shift actuator
- Upper case
- Steering arm
- Clamp brackets
Electrical system
- Electrical component
- Electrical components analysis
- Measuring a low resistance
- Ignition system
- Ignition control system
- Charging system
Trouble analysis
- Trouble analysis
- Trouble shooting for peak voltage