Replacement Of Gear Oil - TOHATSU MFS 4D Service Manual

8) Replacement of Gear Oil

1. Tilt up outboard motor a little as shown.
Place the drain pan below oil plug 1, remove lower oil
2.
plug 1 and then upper oil plug 2 to drain oil.
Remove lower oil plug first when draining.
3. Check gear oil for presence of metal particles, change
of color (abnormal if clouded), and viscosity.
4. Fill with gear oil (from oil tube or pump) through lower
plug hole 4 until gear oil starts to spill from upper oil
plug hole a without air bubbles.
Gear Oil :
OIL
Hypoid Gear Oil
API : GL-5 SAE : #80W – 90
Quantity of Gear Oil :
Use lower plug hole when filling with gear oil.
The upper hole cannot be used because air
cannot be purged and oil cannot be supplied.
Attach new gasket and upper oil plug 2, and then
5.
new gasket and lower oil plug 1 immediately.
When fully filled with oil, attach upper oil plug first.
4st 4/5/6 2020
3 3
1 1
3 Gasket
Do not reuse.
3
3 Gasket
Do not reuse.
3
3 3
3 Gasket
Do not reuse.
3 3
2 2
a
GEAR GEAR
GEAR
2
4 4
a
GEAR GEAR
GEAR
2
3-9
3