Preface
This manual has been prepared by Yamaha primarily for use by Yamaha dealers and their trained me-
chanics when performing maintenance procedures and repairs to Yamaha equipment. It has been writ-
ten to suit the needs of persons who have the Bronze Technical Certificate of the YTA (Yamaha
Technical Academy) marine or the equivalent basic understanding of the mechanical and electrical
concepts and procedures inherent in the work, for without such knowledge attempted repairs or service
to the equipment could render it unsafe or unfit for use.
Because Yamaha has a policy of continuously improving its products, models may differ in detail from
the descriptions and illustrations given in this publication. Use only the latest edition of this manual. Au-
thorized Yamaha dealers are notified periodically of modifications and significant changes in specifica-
tions and procedures, and these are incorporated in subsequent editions of this manual. Also, up-to-
date parts information is available on YPEC-web. Additional information and up-to-date information on
Yamaha products and services are available on Yamaha Service Portal.
Important information
Particularly important information is distinguished in this manual by the following notations:
: 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 se-
rious injury.
A NOTICE indicates special precautions that must be taken to avoid damage to the outboard
motor or other property.
A TIP provides key information to make procedures easier or clearer.
F75F, F100G
SERVICE MANUAL
©2020 by Yamaha Motor Co., Ltd.
1st Edition, January 2020
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
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