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
©2021 by Yamaha Motor Co., Ltd.
First edition, October 2020
All rights reserved.
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.
1
7
3
5
4
6
2
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.
G
M
BF
B
T
R
.
.
LS
M
S
LT
E
New
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