
This Service Manual has been developed for the exclusive use of service and repair professionals such as
Yanmar authorized Distributors and Yanmar authorized Dealers. It is written with these professionals in mind
and may not contain the necessary detail or safety statements that may be required for a non-professional to
perform the service or repair properly and / or safely. Please contact an authorized Yanmar repair or service
professional before working on your Yanmar product.
Disclaimers:
All information, illustrations and specifications in this manual are based on the latest information available at
the time of publishing. The illustrations used in this manual are intended as representative reference views
only. Moreover, because of our continuous product improvement policy, we may modify information,
illustrations, and / or specifications to explain and / or exemplify a product, service, or maintenance
improvement. We reserve the right to make any change at any time.
Yanmar and are registered trademarks of Yanmar Co., Ltd. in Japan, the United States and / or
other countries.
All Rights Reserved:
No part of this publication may be reproduced or used in any form by any means - graphic, electronic, or
mechanical, including photocopying, recording, taping, or information storage and retrieval systems - without
the written permission of Yanmar Marine International.
© 2007 Yanmar Marine International.
1207
ii NOV 2007 (Rev. 01) 6LPA Service Manual
© 2007 Yanmar Marine International

6LPA Service Manual
INTRODUCTION
Section 1
This manual gives specific instructions for the
proper repair of Yanmar 6LPA-STP2/STZP2 series
marine engines.
Please follow the procedures carefully to ensure
quality service.
Yanmar recommends that you read this Service
Manual completely before starting with 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.
6LPA Service Manual
1-1
© 2007 Yanmar Marine International