Maintenance
13) Replacement of Gear Oil
1. Tilt outboard motor a little as shown.
2
2. Place drain oil pan below oil plug 1, remove lower oil plug
1 and then upper oil plug 2 to drain oil.
Remove lower oil plug first when draining.
1
3. Check gear oil for presence of metal particles, change of
color (abnormal if clouded), and viscosity. Check lower
unit
internal components if necessary.
4.
a
2
Full tilt down outboard motor and then, fill with gear oil
(from oil tube or pump) through lower plug hole 1 until
gear oil starts to leak from upper oil plug hole a without
air
bubble. Gear Oil:
O
Hypoid Gear Oil
API:GL-5 SAE:#90
Gear Oil Quantity:
MX50:500 cm
3
(16.9 fl.oz)
1
5.
a
3
2
3
MWX50:700 cm
3
(23.15 fl.oz)
- Use lower plug hole when filling with gear oil.
Upper hole cannot be used because doing so
will not allow air to escape from gear case.
· Full tilt down outboard motor to fill gear oil
proper quantity.
Attach new gasket 3 and upper oil plug 2, and then new
gasket 3 and lower oil plug 1 quickly.
When fully filled with oil, attach upper oil plug first.
1
3 Gasket
Do not reuse.
3-32
2st X50D2 2011