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Yamaha YFM90RA User Manual

Yamaha YFM90RA
128 pages
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This A
43D-F8199-12
OWNER’S MANUAL
LIT-11626-24-16
This ATV should not be ridden by anyone under 12 years of age.
WARNING
READ THIS MANUAL CAREFULLY!
It contains important safety information.
YFM90RA

Table of Contents

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Yamaha YFM90RA Specifications

General IconGeneral
BrandYamaha
ModelYFM90RA
CategoryOffroad Vehicle
LanguageEnglish

Summary

LOCATION OF THE WARNING AND SPECIFICATION LABELS

Label Identification

Instructions to read and understand all labels on the ATV for safe operation.

SAFETY INFORMATION

ATV Operational Risks

Warnings about ATV handling differences and potential for collisions.

Age and Supervision Requirements

Guidelines on age limits and adult supervision for ATV riders.

Safe Riding Practices

Rules for operating speed, terrain, and rider behavior.

Riding Environment Precautions

Warnings about water depth, tire pressure, and modifications.

Carbon Monoxide Poisoning

Hazards of carbon monoxide from engine exhaust and prevention.

Protective Apparel

Recommended clothing and gear for rider safety.

Alcohol and Drug Use

Prohibition of operating the ATV under the influence of alcohol or drugs.

DESCRIPTION

ATV Component Identification

Illustrations and labels for left and right views of the ATV.

Controls and Instruments

Identification of all controls and instruments.

INSTRUMENT AND CONTROL FUNCTIONS

Main Switch and Handlebar Controls

Operation of the main switch, engine stop/start switches.

Throttle and Speed Limiter Adjustment

How to use throttle and adjust speed limiters.

Brake Lever Operation

How to operate front and rear brake levers.

Parking Brake Lever

How to apply and release the parking brake.

Fuel System Operation

Refueling procedures and fuel cock usage.

Choke and Kickstarter

Using choke for cold starts and kickstarter for battery issues.

PRE-OPERATION CHECKS

Pre-Ride Inspection Checklist

Essential checks before each ATV ride for safety and performance.

Fluid Level Checks

Checking engine oil, transmission oil, and brake fluid.

Brake System Inspection

Inspecting brake levers, pads, and fluid for proper function.

Tire and Wheel Checks

Checking tire pressure, wear, damage, and wheel fasteners.

OPERATION

Starting the Engine

Step-by-step instructions for starting cold and warm engines.

Engine Break-in Period

Critical guidelines for the initial engine break-in period.

Parking Procedures

Correct methods for parking the ATV, including on slopes.

Accessories and Loading Safely

Safe practices for adding accessories and carrying cargo.

RIDING YOUR ATV

Riding Fundamentals and Training

Basic principles for getting to know and riding the ATV safely.

Terrain Navigation Techniques

Safe riding on slopes, water, rough terrain, and avoiding hazards.

Turning, Climbing, and Descending

Proper methods for turning, climbing, and descending hills.

Skidding and Sliding Control

Techniques for managing skids and slides for rider safety.

PERIODIC MAINTENANCE AND ADJUSTMENT

Maintenance Schedules

Charts outlining required maintenance intervals for systems.

Engine Maintenance Procedures

Spark plug, engine oil, and air filter maintenance.

Brake System Maintenance

Checks and adjustments for brakes, levers, and fluid.

Drive Chain and Cables

Maintenance for drive chain slack, lubrication, and control cables.

Wheel Bearings and Battery Care

Checking wheel bearings, battery, and replacing fuses.

Troubleshooting ATV Issues

Steps and charts to diagnose and resolve common ATV problems.

CLEANING AND STORAGE

ATV Cleaning Instructions

Detailed steps for washing and cleaning the ATV.

Proper ATV Storage

Instructions for proper short-term and long-term storage.

SPECIFICATIONS

Vehicle Dimensions and Weight

Key physical specifications including dimensions and weight.

Engine and Transmission Specs

Technical specifications for engine and transmission.

Tire, Brake, and Suspension Specs

Details on tires, wheels, brakes, and suspension systems.

Fluid and Fuel Capacities

Information on required engine oil, transmission oil, and fuel.

CONSUMER INFORMATION

Vehicle Identification

Recording key, vehicle, and model identification numbers for reference.

Warranty Details

Details of the limited warranty, exclusions, and responsibilities.

Extended Service Plans (Y.E.S.)

Information on Yamaha Extended Service plans for additional coverage.

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