
LUBRICATION
Safety Precautions
12/05
BY Service Manual
8-3
© 2009 Yanmar Marine International
SAFETY PRECAUTIONS
Before servicing the BY2 marine engine lubrication
system, review the Safety Section on page 2-1.
INTRODUCTION
This section of the Service Manual describes the
procedures necessary to service the 4BY2 and
6BY2 lubrication systems.