
LUBRICATING OIL
The choice of lubricating oil is very important. If an unsuitable oil is used, or an oil change is
neglected, it may result in damage and reduce the life of the Sail-Drive. When selecting a
lubricating oil, use one of the following:
Lubricating Oil Chart
Engine
series
GM, YM JH3, JH4, JH5
Engine
model
1GM10C 2YM15, 3YM20, 3YM30 3JH4E, 3JH5E, 4JH4AE, 4JH5E 4JH4-TE
Sail-Drive
model
SD20 SD20 SD50 SD50-4T
Lubricating
oil for the
Sail-Drive
API CC or
greater
and SAE
10W30
API GL4 or GL5 and SAE
80W90 or 90
QuickSilver® High Performance Gear Oil
Use only oil of quality GL-4 or GL-5 in the API service, and SAE No. 90 or 80W90. (Except
model SD20 x 1GM10C & SD50 / SD50-4T).
Use only oil of quality CC or greater in the API service, and SAE No. 10W30. (Applicable
model: SD20 x 1GM10C).
For SD20 (except if coupled with the 1GM10C)
Supplier Brand Name API Service SAE No.
SHELL Shell Spilax oil EP 90 GL-4 90
SHELL Shell Spilax oil HD 90 GL-5 90
CALTEX Multipurpose thuban EP GL-4/GL-59 90
MOBIL Mobilub HD 80W-90 GL-5 80W-90
ESSO Esso gear oil GP 90 GL-4 90
ESSO Esso gear oil GX 90 GL-5 90
Use QuickSilver®
*
High Performance Gear Oil for the SD50 / SD50-4T.
* QuickSilver® is a registered trademark of Brunswick Corporation.
BEFORE YOU OPERATE
18 SD Operation Manual
© 2009 Yanmar Marine International
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