Engine Oil Recommendations; Gear Oil Level Check - Honda Outboard Motor BF9.9A/15A Owner's Manual

SERVICING YOUR HONDA OUTBOARD MOTOR
ENGINE OIL RECOMMENDATIONS
Oil is a major factor affecting perfor-
mance and service life. Use 4-stroke
automotive detergent oil.
SAE low-30 is recommended for
general use.
SAE Viscosity Grades
s
-20
0
20
40 60 60 100 'F
I
I I I I
I I
1
-30 -20
-10 0 10 20 30 40%
AMBIENT TEMPERATURE
The SAE oil viscosity and service classification are in the API label on the oil
container. Honda recommends that you use API SERVICE category SF or
SG.
GEAR OIL LEVEL CHECK
Check the oil level when the motor is in the vertical position. Remove the level
plug and see if oil flows out.
If no oil flows out, use a commercially available oil pump or squeeze tube to
fill the gear case with the gear oil recommended on page 50. Pump or squeeze
fresh oil through the OIL DRAIN plug hole until oil begins flowing out through
the OIL LEVEL plug hole.
If there is water in the oil, the water will flow out first when the drain plug is
removed, or the oil will be a milky color. If water is detected in the oil, the
outboard motor should be inspected by an authorized Honda Outboard Motor
dealer.
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