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Yamaha YFM4FAR User Manual

Yamaha YFM4FAR
397 pages
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YFM4FAR
YFM400FAR
5TE2-AE1
SERVICE MANUAL

Table of Contents

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Yamaha YFM4FAR Specifications

General IconGeneral
BrandYamaha
ModelYFM4FAR
CategoryOffroad Vehicle
LanguageEnglish

Summary

HOW TO USE THIS MANUAL

MANUAL ORGANIZATION

Explains the structure and organization of the service manual for clarity.

EXPLODED DIAGRAMS

Details on how to interpret and use exploded diagrams for part identification and procedures.

CHAPTER 1. GENERAL INFORMATION

MACHINE IDENTIFICATION

Information on identifying the machine and its specific model details.

IMPORTANT INFORMATION

Crucial notes and precautions for maintenance and repair procedures.

CHECKING OF CONNECTIONS

Procedure for inspecting electrical connectors for stains, rust, and moisture.

SPECIAL TOOLS

List and description of special tools required for tune-up and assembly.

CHAPTER 2. SPECIFICATIONS

GENERAL SPECIFICATIONS

Overall technical specifications of the vehicle, including dimensions and basic weight.

MAINTENANCE SPECIFICATIONS

Detailed specifications for engine, chassis, and electrical components.

LUBRICATION POINTS AND LUBRICANT TYPES

Guide to lubrication points and recommended lubricant types for various parts.

CHAPTER 3. PERIODIC CHECKS AND ADJUSTMENTS

PERIODIC MAINTENANCE/LUBRICATION

Schedule and routine for essential preventive maintenance and lubrication tasks.

ENGINE

Procedures for checking and adjusting engine components like valve clearance and idle speed.

CHASSIS

Checks and adjustments for chassis components such as brakes, steering, and suspension.

ELECTRICAL

Procedures for checking and maintaining electrical systems, including battery and fuses.

CHAPTER 4. ENGINE

ENGINE REMOVAL

Step-by-step instructions for removing the engine assembly and related components.

CYLINDER HEAD

Procedures for removing, checking, and installing the cylinder head assembly.

CAMSHAFT, ROCKER ARMS AND VALVES

Details on removing, checking, and installing camshaft, rocker arms, and valves.

CYLINDER AND PISTON

Procedures for removing, checking, and installing the cylinder and piston.

CHAPTER 5. COOLING SYSTEM

RADIATOR

Instructions for checking and installing the radiator and its components.

THERMOSTAT

Procedures for checking and installing the thermostat and its cover.

WATER PUMP

Steps for disassembling, checking, and assembling the water pump.

CHAPTER 6. CARBURETION

CARBURETOR

Detailed procedures for removing, checking, and assembling the carburetor.

CHAPTER 7. DRIVE TRAIN

TROUBLESHOOTING

Diagnosing and resolving issues related to the drive train components.

FRONT CONSTANT VELOCITY JOINTS AND DIFFERENTIAL GEAR

Procedures for removing, checking, and assembling front CV joints and differential gear.

REAR AXLE/FINAL DRIVE GEAR AND DRIVE SHAFT

Instructions for removing, disassembling, and installing rear axle and final drive components.

CHAPTER 8. CHASSIS

FRONT AND REAR WHEELS

Procedures for removing, checking, and installing front and rear wheels.

FRONT BRAKE

Details on front brake pads, master cylinder, and caliper checks and replacements.

REAR BRAKE

Procedures for removing, checking, and installing the rear brake system.

STEERING SYSTEM

Maintenance and adjustment procedures for the handlebar, steering stem, and tie rods.

CHAPTER 9. ELECTRICAL

ELECTRICAL COMPONENTS

Identification of key electrical components used in the vehicle's system.

CHECKING THE SWITCHES

Methods for testing switch continuity and proper operation.

IGNITION SYSTEM

Troubleshooting guide for the ignition system, including spark and coil checks.

ELECTRIC STARTING SYSTEM

Troubleshooting steps for the electric starting system, including motor and relay checks.

CHAPTER 10. TROUBLESHOOTING

STARTING FAILURE/HARD STARTING

Diagnosing issues related to engine starting problems, covering fuel, electrical, and compression.

FAULTY DRIVE TRAIN

Identifying and addressing problems with the shaft drive components.

OVERHEATING

Troubleshooting causes and solutions for engine overheating issues.

UNSTABLE HANDLING

Identifying factors contributing to unstable vehicle handling.

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