Yamaha MT-09 2021 Manuale utente

2021

SERVICE MANUAL

MT-09

MT-09SP

B7N-28197-E0

MTN890

MTN890D

EAS20003

IMPORTANT

This manual was produced by the Yamaha Motor Company, Ltd. primarily for use by Yamaha dealers

and their qualified mechanics. It is not possible to include all the knowledge of a mechanic in one man-

ual. Therefore, anyone who uses this book to perform maintenance and repairs on Yamaha vehicles

should have a basic understanding of mechanics and the techniques to repair these types of vehicles.

Please refer to “BASIC INFORMATION” (separate volume, Y0A-28197-E0*) for basic instructions that

must be observed during servicing. Repair and maintenance work attempted by anyone without this

knowledge is likely to render the vehicle unsafe and unfit for use.

Yamaha Motor Company, Ltd. is continually striving to improve all of its models. Modifications and sig-

nificant changes in specifications or procedures will be forwarded to all authorized Yamaha dealers and

will appear in future editions of this manual where applicable.

TIP

• * If the contents of the manual are revised, the last digit of the manual number will be increased by

one.

• Designs and specifications are subject to change without notice.

EAS30001

IMPORTANT MANUAL INFORMATION

Particularly important information is distinguished in this manual by the following notations.

EAS20002

This is the safety alert symbol. It is used to alert you to potential personal

injury hazards. Obey all safety messages that follow this symbol to avoid

possible injury or death.

A WARNING indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

A NOTICE indicates special precautions that must be taken to avoid

damage to the vehicle or other property.

A TIP provides key information to make procedures easier or clearer.

MTN890/MTN890D

SERVICE MANUAL

First edition, October 2020

Any reproduction or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

WARNING

NOTICE

TIP

EAS20004

HOW TO USE THIS MANUAL

This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive ex-

planations of all installation, removal, disassembly, assembly, repair and check procedures are laid out

with the individual steps in sequential order.

• The manual is divided into chapters and each chapter is divided into sections. The current section title

“1” is shown at the top of each page.

• Sub-section titles “2” appear in smaller print than the section title.

• To help identify parts and clarify procedure steps, there are exploded diagrams “3” at the start of each

removal and disassembly section.

• Numbers “4” are given in the order of the jobs in the exploded diagram. A number indicates a disas-

sembly step.

• Symbols “5” indicate parts to be lubricated or replaced.

Refer to “SYMBOLS”.

• A job instruction chart “6” accompanies the exploded diagram, providing the order of jobs, names of

parts, notes in jobs, etc. This step explains removal and disassembly procedure only. For installation

and assembly procedure, reverse the steps.

• Jobs “7” requiring more information (such as special tools and technical data) are described sequen-

tially.

G088877

EAS20005

SYMBOLS

The following symbols are used in this manual for easier understanding.

TIP

The following symbols are not relevant to every vehicle.

SYMBOL DEFINITION SYMBOL DEFINITION

Serviceable with engine mounted Gear oil

Filling fluid Molybdenum disulfide oil

Lubricant Brake fluid

Special tool Wheel bearing grease

Tightening torque Lithium-soap-based grease

Wear limit, clearance Molybdenum disulfide grease

Engine speed Silicone grease

Electrical data Apply locking agent (LOCTITE®).

Engine oil Replace the part with a new one.

New

GENERAL INFORMATION

SPECIFICATIONS

PERIODIC CHECKS AND

ADJUSTMENTS

CHASSIS

ENGINE

COOLING SYSTEM

FUEL SYSTEM

ELECTRICAL SYSTEM

SELF DIAGNOSTIC

TABLE OF CONTENTS

GENERAL INFORMATION

IDENTIFICATION ............................................................................................1-1

VEHICLE IDENTIFICATION NUMBER .....................................................1-1

MODEL LABEL..........................................................................................1-1

FEATURES......................................................................................................1-2

GLOSSARY...............................................................................................1-2

DISPLAY ...................................................................................................1-2

BASIC SERVICE INFORMATION...................................................................1-9

ELECTRICAL SYSTEM.............................................................................1-9

SPECIAL TOOLS ..........................................................................................1-10

1-1

IDENTIFICATION

EAS20007

IDENTIFICATION

EAS30002

VEHICLE IDENTIFICATION NUMBER

The vehicle identification number “1” is stamped

into the right side of the steering head pipe.

EAS30003

MODEL LABEL

The model label “1” is affixed to the frame under

the seat. This information will be needed to order

spare parts.

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