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Yamaha YFZ450 - User Manual

Yamaha YFZ450
188 pages
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5TG-28199-10LIT-11626-17-11
READ THIS MANUAL CAREFULLY!
It contains important safety information.
This ATV should not be ridden by anyone under 16 years of age.
WARNING
YFZ450S
OWNER’S MANUAL
PRINTED IN JAPAN
2003.04-6.2×2 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

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Summary

Introduction to Your Yamaha YFZ450

Important Safety Message

Crucial safety advice for new ATV owners.

ATV Safety Guidelines

General Operating Precautions

Key safety rules to prevent injury or death.

Safe Riding Practices

Guidelines on protective gear, speed, and terrain.

Hazard Warnings

Information on fuel handling, exhaust, and operating risks.

Machine Identification and Components

Component Identification

Identifies key parts of the ATV through diagrams.

Vehicle Identification Numbers

Locating and recording VIN, key, and model label.

ATV Control Functions

Main Switches and Indicators

Explains the main switch, indicator lights, and handlebar controls.

Levers, Pedals, and Throttle

Details operation of throttle, clutch, brake controls, and parking brake.

Other Controls and Adjustments

Covers shift pedal, fuel controls, starter, seat, and suspension.

Pre-Operation Checks

Daily Inspection Checklist

Lists essential checks before riding for safety.

Fluid and Tire Checks

Guidance on checking brake fluid, fuel, oil, coolant, and tires.

ATV Operation

Starting the Engine

Procedures for starting cold and warm engines, including warming up.

Shifting and Acceleration

Explains shifting gears, starting out, and accelerating.

Deceleration and Engine Break-in

How to slow down, stop, and break in the new engine.

Parking and Loading

Proper parking procedures and guidelines for carrying cargo.

Riding Your ATV

Getting to Know Your ATV

Essential techniques for new operators.

Safe Riding Practices

Emphasizes training, careful riding, and skill development.

Terrain and Maneuver Guidelines

Advice on riding on various terrains and performing maneuvers safely.

Handling Hills and Slopes

Techniques for climbing, descending, and crossing hills safely.

Water and Rough Terrain

Riding through water and over rough terrain, and sliding/skidding.

Periodic Maintenance and Adjustment

Maintenance Schedule

Routine checks and lubrication intervals for various components.

Engine Oil and Filter Service

Procedures for checking and changing engine oil and filter.

Brake System Maintenance

Inspecting brake fluid, pads, levers, and pedals.

Drive Chain Care

Checking, adjusting, and lubricating the drive chain.

Wheel and Tire Service

Procedures for wheel removal, installation, and tire checks.

Cleaning and Storage

Machine Cleaning Procedures

Step-by-step guide for washing and drying the ATV.

Long-Term Storage Preparation

Steps to prepare the ATV for storage to prevent deterioration.

Technical Specifications

Dimensions and Engine Details

Overall size, weight, and engine configuration.

Fluid and Component Specs

Details on engine oil, fuel, carburetor, and spark plug.

Chassis and Electrical Specs

Information on frame, tires, brakes, suspension, and electrical systems.

Noise Regulation Compliance

Tampering Prohibitions

Federal law prohibits altering noise control systems.

Maintenance Record

Service Log Chart

A chart to record maintenance intervals, dates, and dealer information.

Yamaha ATV Limited Warranty

Warranty Coverage and Exclusions

Details on what the warranty covers and specific exclusions.

Warranty Questions and Service

FAQs about warranty and how to contact customer service.

Yamaha Extended Service (Y.E.S.)

Y.E.S. Plan Benefits

Explains the advantages of extended service plans for your ATV.

Yamaha YFZ450 Specifications

General IconGeneral
Transmission5-speed; wet multiplate clutch
Front BrakesDual hydraulic disc
Rear BrakesHydraulic disc
Wheelbase50.4 in
Fuel Capacity2.6 gal
Length72.4 in
Width46.1 in
Seat Height31.9 in
Bore x Stroke95mm x 63.4mm
Final DriveSealed O-ring chain
Front SuspensionIndependent double wishbone; 9.1-in travel
Rear SuspensionCast aluminum swingarm; 10.6-in travel
Front Tires21x7-10
Rear Tires20x10-9
Engine Type449cc liquid-cooled 4-stroke; DOHC, 5-valve

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