SELVA MARINE Kingfish 25, Service Manual

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10-13
MNT
Maintenance
3. Remove the drain screw
2
and gasket
3
. NOTICE: If there is an excessive
quantity of metal particles on the mag-
netic gear oil drain screw
2
, this can
indicate lower unit problem.
4. Remove the check screw
4
and gasket
5
and let the oil drain completely.
NOTICE: Check the used oil after it
has been drained. If the oil is milky,
water is getting into the lower case
which can cause gear damage.
TIP:
Remove all metal particles before installing
the magnetic drain screw.
5. Put the outboard motor in an upright
position.
6. Install the gear oil pump into the drain
hole and slowly fill with gear oil until oil
flows out of the check hole and no air
bubbles are visible.
7. Install a new gasket 6 and the check
screw
4
.
8. Remove the gear oil tube or gear oil
pump, and then install a new gasket
7
and the drain screw 2 .
9. Tighten the check screw 4 and drain
screw 2 to the specified torque.
Checking the gear oil level
1. Check the gear oil level. See “Checking
the gear oil level” (10-5).
1
2
3
4 5
Recommended gear oil:
Hypoid gear oil
API: GL-4
SAE: 90
Oil quantity:
0.320 L
(0.338 US qt, 0.282 Imp qt)
Check screw 4 and drain screw 2 :
9 N·m (0.9 kgf·m, 6.6 ft·lb)
4
6
2
7