JH4 Series Service Manual
1-1
© 2007 Yanmar Marine International
JH4 Series Service Manual
Section 1
INTRODUCTION
This manual gives specific instructions for the
proper repair of Yanmar JH4 series marine
engines.
Please follow the procedures carefully to ensure
quality service.
Yanmar recommends that you read this Service
Manual completely before starting repairs.
Along with standard tools, Yanmar recommends the
use of special tools necessary to perform repairs
correctly.
Yanmar products are continuously undergoing
improvement. This Service Manual has been
checked carefully in order to avoid errors. However
Yanmar is not liable for any misrepresentations,
errors of description or omissions. Contact an
authorized Yanmar marine dealer or distributor for
any questions you have regarding this Service
Manual.