1. Check the stern-drive oil level
(Figure 2). Keep the oil level at or near
the OPERATING RANGE (full) line on
the oil reservoir.
2. The oil level is low if it is below the ADD
line on the oil reservoir. Fill as needed
with the specified oil. See Fill the Stern-
Drive with Oil on page 27.
0006336
(2)
(3)
(1)
Figure 2
1 – Oil Reservoir
2 – ADD Line
3 – OPERATING RANGE Line
NOTICE: If any water is visible at the bottom
of the oil reservoir or appears at the oil fill /
drain plug and / or if oil appears discolored,
contact your authorized Yanmar Marine
dealer or distributor immediately. Both
conditions may indicate a water leak
somewhere in the stern-drive.
Fill the Stern-Drive with Oil
See Changing the Stern-Drive Oil on page
46 when filling the entire stern-drive.
NOTICE: If more than 60 ml (2 fl oz) of gear
oil is required to fill the reservoir, a seal may
be leaking. Damage to the stern-drive may
occur because of lack of lubrication. Contact
your authorized Yanmar Marine dealer or
distributor.
1. Remove the oil reservoir cap
(Figure 3, (1)).
2. Fill the oil reservoir to the OPERATING
RANGE (Figure 3, (2)) (full) line with
specified fluid. NOTICE: Do not overfill.
0006337
(2)
(1)
Figure 3
1 – Oil Reservoir Cap
2 – OPERATING RANGE Line
Description
Where Used
GL-5 Hypoid Gear Oil
Oil Reservoir
3. When replacing the cap, ensure that the
rubber gasket is inside the oil reservoir
cap and install the cap. Do not over-
tighten.
STERN-DRIVE OPERATION
ZT350 Operation Manual
27
© 2008 Yanmar Marine International
