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Yamaha YZ450F(T) User Manual

Yamaha YZ450F(T)
646 pages
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5XD-28199-81
YZ450F(T)
OWNER’S SERVICE MANUAL
MANUEL D’ATELIER DU
PROPRIETAIRE
FAHRER- UND
WARTUNGS-HANDBUCH

Table of Contents

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Yamaha YZ450F(T) Specifications

General IconGeneral
Bore x Stroke97.0mm x 60.8mm
Transmission5-speed
Final DriveChain
Fuel Capacity1.6 gal
Wheelbase58.5 in
Length86.0 in
Width32.5 in
Curb Weight245 lb
Fuel DeliveryFuel injection
IgnitionTCI
Front BrakeHydraulic disc, 270mm
Front Tire80/100-21
Rear Tire120/80-19
Engine TypeLiquid-cooled, DOHC, 4-stroke, single-cylinder
Front SuspensionKYB® Speed-Sensitive System inverted fork; fully adjustable, 12.2-in travel

Summary

INTRODUCTION

HOW TO USE THIS MANUAL

PARTICULARLY IMPORTANT INFORMATION

Explains the meaning of safety symbols like WARNING, CAUTION, and NOTE for user guidance.

FINDING THE REQUIRED PAGE

Details how to find chapters and items using the table of contents and fore edge symbols.

MANUAL FORMAT

HOW TO READ DESCRIPTIONS

Explains exploded diagrams, numbering, symbols, and job instruction charts for clarity.

INDEX

GENERAL INFORMATION

Chapter 1 covering general information about the motorcycle.

SPECIFICATIONS

Chapter 2 detailing technical specifications of the motorcycle.

REGULAR INSPECTION AND ADJUSTMENTS

Chapter 3 outlining maintenance intervals and checks.

ENGINE

Chapter 4 covering engine-related procedures.

CHASSIS

Chapter 5 detailing chassis components and maintenance.

ELECTRICAL

Chapter 6 covering the electrical system.

TUNING

Chapter 7 providing information on engine and chassis tuning.

CONTENTS

CHAPTER 1 GENERAL INFORMATION

Covers general information about the motorcycle, including description and important notices.

CHAPTER 2 SPECIFICATIONS

Details technical specifications such as dimensions, engine data, and weights.

CHAPTER 3 REGULAR INSPECTION AND ADJUSTMENTS

Outlines maintenance intervals, pre-operation checks, and adjustments for various systems.

CHAPTER 4 ENGINE

SEAT, FUEL TANK AND SIDE COVERS

Details the removal and installation of the seat, fuel tank, and side covers.

RADIATOR

Covers removal and installation of the radiator.

CARBURETOR

Details the removal and installation of the carburetor.

CAMSHAFTS

Explains the removal and installation of the camshafts.

CYLINDER HEAD

Covers removal and installation of the cylinder head.

VALVES AND VALVE SPRINGS

Details the removal and installation of valves and valve springs.

CYLINDER AND PISTON

Covers removal and installation of the cylinder and piston.

CLUTCH

Details the removal and installation of the clutch.

OIL FILTER, WATER PUMP AND CRANKCASE COVER (RIGHT)

Covers removal and installation of these components.

BALANCER

Details the removal and installation of the balancer.

OIL PUMP

Covers removal and installation of the oil pump.

KICK AXLE AND SHIFT SHAFT

Details the removal and installation of these parts.

CDI MAGNETO

Covers removal and installation of the CDI magneto.

ENGINE REMOVAL

Provides instructions for removing the engine from the chassis.

CRANKCASE AND CRANKSHAFT

Covers the separation and removal of these components.

TRANSMISSION, SHIFT CAM AND SHIFT FORK

Details the removal and installation of these transmission components.

CHAPTER 6 ELECTRICAL

ELECTRICAL COMPONENTS AND WIRING DIAGRAM

Shows electrical components and their wiring connections.

MAP-CONTROLLED CDI UNIT

Explains the map-controlled CDI unit and its function.

IGNITION SYSTEM

Details the ignition system components and operation.

TPS (THROTTLE POSITION SENSOR) SYSTEM

Describes the TPS system and its function.

CHAPTER 7 TUNING

ENGINE

Covers engine tuning procedures.

CHASSIS

Details chassis tuning procedures.

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