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Yamaha Big Bear YFM400R User Manual

Yamaha Big Bear YFM400R
170 pages
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5GW-F8199-13LIT-11626-16-12
READ THIS MANUAL CAREFULLY!
It contains important safety information.
This ATV should not be ridden by anyone under 16 years of age.
WARNING
YFM400R
OWNER’S MANUAL
PRINTED IN USA
2002.09-0.9 ×1 CR
(E)
PRINTED ON RECYCLED PAPER
YAMAHA MOTOR CO., LTD.
EBU00438
LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.
(For replacement manual, call 1-800-532-1558)
WARNING
ALWAYS:
use proper riding techniques to avoid
vehicle overturns on hills and rough
terrain and in turns.
avoid paved surfaces-pavement may
seriously affect handling and control.
Improper ATV use can result in SEVERE INJURY or DEATH.
NEVER
operate:
without proper training or instruction.
at speeds too fast for your skills or the
conditions.
on public roads-a collision can occur with
another vehicle.
with a passenger-passengers affect
balance and steering and increase risk
of losing control.
ALWAYS USE
AN APPROVED
HELMET AND
PROTECTIVE GEAR
NEVER USE
ON PUBLIC
ROADS
NEVER CARRY
PASSENGERS
NEVER USE
WITH DRUGS
OR ALCOHOL
B
E
E
R
B
EE
R

Table of Contents

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Yamaha Big Bear YFM400R Specifications

General IconGeneral
BrandYamaha
ModelBig Bear YFM400R
CategoryOffroad Vehicle
LanguageEnglish

Summary

Introduction and Safety Messages

Important Safety Messages

Key safety messages for ATV operation, including training and age limits.

Manual Information and Warnings

Understanding Manual Notations

Explains the meaning of WARNING, CAUTION, and NOTE notations in the manual.

Warning and Specification Labels

Label 1: Overloading Warning

Warning about overloading the ATV or carrying cargo improperly.

Label 2: Tire Pressure and Loading

Information on operating tire pressure and loading/trailer limits.

Label 3: Passenger and General Safety

Warning against carrying passengers and general riding safety advice.

Label 5: Age Restriction

Warning that the ATV should not be ridden by anyone under 16 years of age.

Label 7: Riding Safety Icons

Icons illustrating safe riding practices like helmet use and avoiding drugs/alcohol.

Safety Information for ATV Operation

General Operation and Age Limits

Essential safety advice for operating an ATV, including training and age recommendations.

Safe Riding Practices

Guidelines for safe riding, covering terrain, protective gear, and operational conduct.

Terrain and Maneuver Safety

Techniques for safely navigating hills, slopes, and various terrains.

Handling Hazardous Conditions

Advice on handling challenges like rough terrain, water, and skidding.

Fuel and Ventilation Safety

Safety precautions for handling gasoline and operating in areas with exhaust fumes.

Machine Identification and Components

Key Identification Information

Recording and identifying key, vehicle, and model information for reference.

Vehicle and Model Label Details

Locating and recording the vehicle identification number and model label.

Control Functions and Systems

Main Switch and Indicators

Explains the main switch positions and indicator/warning light functions.

Handlebar Controls

Operation of handlebar switches, throttle lever, and speed limiter.

Braking and Transmission Controls

Details on brake controls, parking brake, and shift/reverse mechanisms.

Starting and Fuel Systems

Procedures for using starting systems and fuel components.

Pre-Operation Checks

Brake System Checks

Steps to check front and rear brakes, fluid levels, and potential leaks.

Fluid and Tire Checks

Guidelines for checking fuel, engine oil, gear oil, and tire condition.

Operation Procedures

Starting and Driving Procedures

Step-by-step guide for starting, driving, shifting, and braking the ATV.

Engine Break-in and Parking

Guidelines for the initial engine break-in and proper parking procedures.

Accessories and Loading

Advice on choosing accessories and loading cargo safely.

Riding Your ATV Safely

Riding Fundamentals and Safety

Introduction to ATV riding, emphasizing care, judgement, training, and basic safety.

Safety Regulations and Apparel

Critical safety rules regarding age, passengers, protective gear, and substance use.

Terrain and Maneuver Techniques

Techniques for safely riding on various terrains and executing maneuvers.

Periodic Maintenance and Adjustments

Routine Maintenance Schedule

Overview of required maintenance tasks and their recommended intervals.

Engine and Drivetrain Service

Procedures for checking and servicing engine oil and final gear oil.

Brake and Clutch System Maintenance

Maintenance for brake systems, including fluid, pads, and adjustments.

Wheel, Battery, and Lighting Maintenance

Procedures for wheel installation, battery care, fuse replacement, and lighting.

Troubleshooting Guide

General advice and a chart for diagnosing and resolving common ATV issues.

Vehicle Specifications

Engine and Chassis Specifications

Details on engine type, displacement, and chassis construction.

Fluid and Component Specifications

Specifications for engine oil, gear oil, fuel, air filter, carburetor, spark plug, and clutch.

Transmission, Tire, and Brake Specs

Information on transmission gear ratios, tire sizes, and brake types.

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