Yamaha MT09 User manual

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

•*Ifthecontentsofthemanualarerevised,thelast digit of the manual number will be increased by

one.

•Designsandspecificationsaresubject 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.

•Themanualisdividedintochaptersandeachchapterisdividedintosections.Thecurrentsectiontitle

“1” is shown at the top of each page.

•Sub-sectiontitles“2”appearinsmallerprintthanthesectiontitle.

•Tohelpidentifypartsandclarifyproceduresteps,there are exploded diagrams “3” at the start of each

removal and disassembly section.

•Numbers“4”aregivenintheorderofthejobsintheexplodeddiagram.Anumberindicatesadisas-

sembly step.

•Symbols“5”indicatepartstobelubricatedorreplaced.

Refer to “SYMBOLS”.

•Ajobinstructionchart“6”accompaniestheexploded 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”requiringmoreinformation(suchasspecialtoolsandtechnicaldata)aredescribedsequen-

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

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