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Yamaha SH50A User Manual

Yamaha SH50A
185 pages
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1987 - 2000
MOTORCYCLE
SERVICE MANUAL
Model : SH50A, SH50B, SH50F, SH50H,
SH50J, SH50K, SH50M, SH50T, SH50U,
SH50W
2FU281972000
*2FU281972000*
Downloaded from www.ScooterTime.net
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Yamaha SH50A Specifications

General IconGeneral
BrandYamaha
ModelSH50A
CategoryMotorcycle
LanguageEnglish

Summary

Notice and How to Use

How to Use This Manual

Guidance on effectively using the service manual's features and information.

Illustrated Symbols

Chapter 1 General Information

Scooter Identification

Details on identifying the scooter model and its serial numbers.

Important Information

Key information regarding parts, gaskets, seals, and oil.

Special Tools

Lists specialized tools required for specific service procedures.

Chapter 2 Periodic Inspection and Adjustments

Periodic Maintenance/Lubrication Intervals

Schedule for routine maintenance and lubrication based on mileage or time.

Covers Removal and Installation

Procedures for removing and installing body covers and panels.

Idle Speed Adjustment

Procedure for adjusting the engine's idle speed.

Throttle Cable Adjustment

Steps for adjusting the throttle cable free play.

Compression Pressure Measurement

Method for measuring engine compression pressure.

Engine Oil Level Inspection

Procedure for checking the engine oil level.

Transmission Oil Replacement

Steps for replacing the transmission oil.

Front Brake Adjustment

Procedure for adjusting the front brake lever free play.

Rear Brake Adjustment

Procedure for adjusting the rear brake lever free play.

Steering Adjustment

Procedure for adjusting steering head bearings.

Battery Inspection

Inspection and maintenance of the battery.

Fuse Inspection

Procedure for inspecting fuses.

Spark Plug Inspection

Procedure for inspecting and checking the spark plug.

Chapter 3 Engine Overhaul

Engine Removal

Steps for removing the engine from the motorcycle.

Engine Disassembly - Cylinder Head

Steps for removing and inspecting the cylinder head.

Engine Disassembly - Piston and Pin

Steps for removing and inspecting the piston pin and piston.

Crankshaft Inspection

Procedure for inspecting the crankshaft.

Clutch and Transmission Inspection

Inspection of clutch and transmission components.

Engine Assembly and Adjustment

Steps for assembling and adjusting the engine.

Remounting Engine

Steps for remounting the engine onto the chassis.

Chapter 4 Carburetion

Carburetor Removal and Disassembly

Steps for removing and disassembling the carburetor.

Carburetor Inspection

Steps for inspecting carburetor components.

Carburetor Assembly and Installation

Procedure for assembling and installing the carburetor.

Reed Valve Inspection

Procedure for inspecting the reed valve.

Chapter 5 Chassis

Front Wheel Inspection and Assembly

Details on front wheel inspection and assembly.

Rear Wheel Inspection and Assembly

Details on rear wheel inspection and assembly.

Front Fork and Steering Assembly

Procedures for front fork and steering system assembly.

Rear Shock Absorber Service

Procedure for servicing the rear shock absorber.

Chapter 6 Electrical

SH50T Circuit Diagram

Schematic diagram of the motorcycle's electrical system.

Electrical Starting System Troubleshooting

Details on the electrical starting system, troubleshooting.

Ignition System Troubleshooting

Information on the ignition system, including troubleshooting.

Charging System Troubleshooting

Details on the charging system, including troubleshooting.

Lighting System Troubleshooting

Information on the lighting system, including troubleshooting.

Signal System Troubleshooting

Information on the signal system, including troubleshooting.

Chapter 7 Appendices

General Specifications

General technical data and dimensions of the scooter.

Maintenance Specifications

Specifications for engine component wear and clearances.

General Torque Specifications

Torque values for various fasteners and components.

Cable Routing

Diagrams showing the correct routing of cables and wiring.

SH50T Wiring Diagram

Complete wiring diagram for the SH50T model.

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