Lubricating Oil - Yanmar 3JH4E Service Manual

1. General

1.3.2 Lubricating oil

IMPORTANT:
Use of other than the specified engine oil may
cause inner parts seizure or early wear, leading
to shorten the engine service life.
(1) Selection of engine lube oil
Use the following engine oil
• API classification .......CD or higher
(Standards of America Petroleum Institute)
• SAE viscosity ............. 10W-30, 15W-40
(Standard of
Engineering)
Engine oil 10W30 and 15W-40 can be used
throughout the year.
(Refer to the right figure.)
(2) Selection of marine gear lube oil
KM35P, KM35A2 for 3JH4E series
KM35P, KM35A2 and KM4A1 for 4JH4E
KM4A2, KMH4A for 4JH4-TE and 4JH4-HTE
Use the following engine oil
• API classification .......CD or higher
(Standards of America Petroleum Institute)
• SAE viscosity .............. #20 or #30
(Standard of
Engineering)
Apply ATF oil to marine gear ZF30M for 4JH4E
and ZF30N, ZF25A for 4JH4-TE and 4JH4-
HTE.
(3) Selection of lube oil for sail drive unit
SD50 (or SD40) for 3JH4E and 4JH4E
• API service grade .......GL4, 5
• SAE Viscosity .............#90 or 80W90
or QuickSilver High Performance Gear Lube
QuickSilver is
®
Brunswick Corporation.
SD50-4T for 4JH4-TE
QuickSilver High Performance Gear Lube
®
must be selected only for SD50-4T.
(4) Handling of engine oil
• Carefully store and handle the oil so as to
prevent dust or dirt entrance. When supplying
the oil, pay attention and clean around the
filler port.
• Do not mix different types of oil as it may
adversely affect the lubricating performance.
When touching engine oil by hand, the skin of the
hand may become rough. Be careful not to touch
oil with your hands without protective gloves. If
touch, wash your hands with soap and water
thoroughly.
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registered trademark
Selection of viscosity
(SAE Service grade)
10W
20W
-20 -10
Atmospheric temperature
of
12
10W-30
15W-40
#20
#30
#40
0 10 20 30 40
014206-00E
50