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Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT User Manual

Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT
398 pages
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PRINTED IN JAPAN
2004.05-0.3×1 CR
(E,F,S)
PRINTED ON RECYCLED PAPER
IMPRIMÉ SUR PAPIER RECYCLÉ
IMPRESO EN PAPEL RECICLADO
YAMAHA MOTOR CO., LTD.
1C1-28199-60
YFM400FPT
YFM400FWT
OWNER’S MANUAL
MANUEL DU PROPRIÉTAIRE
MANUAL DEL PROPIETARIO

Table of Contents

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Yamaha BIG BEAR PROFESSIONAL 400 YFM400FPT Specifications

General IconGeneral
BrandYamaha
ModelBIG BEAR PROFESSIONAL 400 YFM400FPT
CategoryOffroad Vehicle
LanguageEnglish

Summary

Introduction to the Owner's Manual

Important Safety Information for ATV Operation

General Safety Warnings

Read manual and labels carefully. Never operate without training. Follow age recommendations.

Age Restriction for Operation

Children under 16 should not operate ATVs over 90cc, and never without adult supervision.

Location of Warning and Specification Labels

Understanding Vehicle Labels

Comprehend all labels for safe operation. Labels contain important safety and operation information.

Control Functions of the ATV

Main Switch Operation

Explains the ON and OFF positions of the main switch for starting and powering the vehicle.

Handlebar Controls Overview

Covers engine stop, start, horn, and light switches.

Throttle Lever Operation

Regulate speed by varying throttle position. Ensure smooth operation and return to idle.

Braking Controls

Details front brake lever, rear brake pedal, and parking brake operation.

Gear Shifting and Drive Select Lever

Explains operation of shift pedal and drive select lever for high, low, and reverse gears.

Pre-Operation Checks for Safe Riding

Brake System Checks

Check brake levers, pedal, fluid level, leaks, and free play for front and rear brakes.

Fluid Level Checks

Check engine oil, transfer gear oil, final gear oil, and differential gear oil levels.

Tire and Wheel Checks

Check tire pressure, wear, and damage. Use recommended tires and pressures.

Control System Checks

Check throttle lever, lights, and switches for proper operation.

Chassis Component Checks

Check fittings, fasteners, and axle boots for tightness and damage.

ATV Operation Guide

Starting the Engine

Procedures for starting a cold engine, including control cable and fuel checks.

Shifting Gears

Explains gear shifting for forward and reverse. Coordinate throttle and shift pedal use.

Engine Break-in Procedure

Important period (0-20 hours). Avoid excessive load and prolonged full throttle.

Parking Procedures

Instructions for parking, including on slopes, engine off, and parking brake engagement.

Loading and Accessories

How accessories affect handling. Guidelines for mounting accessories and loading cargo or trailers.

Riding Your ATV Safely

Safe Riding Practices

Emphasizes training, slow speed familiarization, and good judgment for safe ATV operation.

Terrain Awareness and Handling

Ride cautiously on unfamiliar terrain. Avoid paved surfaces. Know the terrain where you ride.

Maneuvering Techniques

Covers turning, climbing uphill, riding downhill, crossing slopes, and rough terrain riding.

Water Crossings

Safely cross shallow water (max 35 cm). Check brakes after exiting water. Drain air filter case.

Periodic Maintenance and Adjustment

Engine Oil and Filter Service

Check engine oil level. Change oil and clean filter element at specified intervals.

Brake System Maintenance

Inspect brake shoes, fluid level, and levers. Check for leaks and proper operation.

Tire Maintenance

Check tire pressure, wear limit, and condition. Includes measuring tire pressure.

Other Periodic Checks

Covers valves, spark plug, air filter, carburetor, fuel lines, exhaust system, and fittings.

Cleaning and Storage Procedures

Machine Cleaning Procedures

Steps for cleaning the ATV, including protecting components and washing surfaces.

Long-Term Storage Preparation

Prevent deterioration during storage. Clean thoroughly and prepare for storage.

ATV Specifications

Vehicle Dimensions and Weight

Overall dimensions, wheelbase, ground clearance, and basic weight.

Engine and Drivetrain Specifications

Engine type, displacement, transmission, clutch, carburetor, spark plug details.

Fluids, Filters, and Fuel

Oil types/quantities, air filter type, recommended fuel, tank capacity.

Brakes, Suspension, and Electrical

Brake types, suspension, wheel travel, electrical system, bulbs, fuses.

Gear Ratios and Chassis

Gear ratios for all speeds and reverse. Chassis frame type and geometry.

Technical Conversion Table

Metric to Imperial Units Conversion

Table for converting metric values like torque, weight, speed, and distance to imperial units.

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