Specifications

BEFORE YOU OPERATE
32 YM Series Operation Manual
NOTICE
If you intend to operate your equipment at
temperatures outside the limits shown, you
must consult your authorized Yanmar
Marine dealer or distributor for special
lubricants or starting aids.
Checking the Engine Oil
Figure 6
1 – Filler Port
2 – Rocker Arm Cover
3–Dipstick
4 – Upper Limit
5 – Lower Limit
Note: 3YM30 shown. Other models
are similar.
1. Make sure the engine is off. It is
recommended that the engine be as
level as possible before checking the
oil.
NOTICE
Prevent dirt and debris from contaminating
engine oil. Carefully clean the dipstick,
filler port cap and the surrounding area
before you remove the cap.
2. Remove the dipstick(Figure 6, (3)) and
wipe with a clean cloth.
3. Fully reinsert dipstick.
4. Remove the dipstick. The oil level
should be between upper
(Figure 6, (4)) and lower
(Figure 6, (5)) lines on the dipstick.
5. Add oil if necessary. See Adding
Engine Oil on page 32.
6. Fully reinsert dipstick.
Adding Engine Oil
1. Remove the yellow oil filler port cap
from the filler port (Figure 6, (1)) on the
rocker arm cover (Figure 6, (1)) and fill
with engine oil.
NOTICE
Prevent dirt and debris from
contaminating engine oil. Carefully
clean the dipstick, filler port cap and the
surrounding area before you remove the
cap.
2. Fill with engine oil to the upper limit
(Figure 6, (4)) on the dipstick
(Figure 6, (3)).
NOTICE
Never overfill the engine with engine oil.
3. Insert the dipstick fully to check the
level.
NOTICE
Always keep the oil level between upper
and lower lines on the oil cap / dipstick.
4. Hand-tighten the filler port cap
securely.
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5
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