8. Remove the case plate cover, filter
cover, magnet and filter. Clean or
replace the filter and magnet.
(1)
(2)
(3)
(4)
(5)
(6)
0006441
Figure 15
1 – Oil Level Sight Glass
2 – Filter Opening
3 – Filter
4 – Magnet
5 – Filter Cover
6 – Case Plate Cover
9. Lower the stern-drive so that the
propeller shaft is level. Fill the stern-
drive through the oil fill / drain hole with
the specified oil until an air-free stream
of oil flows from the filter opening. Install
the filter, magnet, filter cover and case
plate cover.
10. Continue to fill the stern-drive with oil
through the oil fill / drain hole until an air-
free stream of oil flows from the oil vent
hole.
11. Install the oil vent plug and gasket.
Torque the oil vent plug.
Oil Vent Plug Torque
N·m
lb-ft
15
11
12. Continue to pump gear oil into the oil
reservoir circuit until the gear oil
appears in the oil reservoir.
13. Fill the oil reservoir so that the oil level is
within the operating range.
NOTICE: NEVER overfill.
Model
Capacity
Fluid Type
ZT350
2500 mL
(85 oz)
GL-5 Hypoid
Gear Oil
0006337
(2)
(1)
Figure 16
1 – Oil Reservoir Cap
2 – OPERATING RANGE Line
14. Ensure that the rubber gasket is inside
the cap and install the cap. NEVER
over-tighten.
15. Remove the pump from the oil fill / drain
hole. Quickly install the gasket and oil
fill / drain plug. Torque the oil fill / drain
plug.
Oil Fill / Drain Plug Torque
N·m
lb-ft
15
11
16. Check the oil level in the oil reservoir
after first use.
MAINTENANCE
48
ZT350 Operation Manual
© 2008 Yanmar Marine International
