Honda BF4A Operation And Maintenance Ma page 97

<Engine speed does not increase>
1. Fuel line is flattened or
kinked.
(When using the portable fuel
tank.)
2. Fuel filter is clogged.
3. Engine oil level is low.
4. Unmatched propeller is
selected.
5. Passengers are not
distributed equally.
6. Outboard motor is not
installed properly.
Check for excessively
bent or pinched fuel line.
Replace fuel filter.
(page 83)
Check engine oil and
add to specified level.
(page 32)
Consult with an
authorized Honda
outboard motor dealer.
Distribute the passengers
equally.
Install the outboard
motor in the proper
position. (page 25 to 28)
TROUBLESHOOTING
<Engine overheats>
1. Water intake and/or
water check tube are/is
clogged.
2. Engine is overloaded
because of unequally
distributed passengers or
excessive load on the
boat.
3. Thermostat is faulty.
4. Cavitation.
<Engine overrevs>
1. Cavitation.
2. Propeller is damaged.
3. Unmatched propeller is
selected.
4. Trim angle is not correct.
Clean water intake and/
or water check tube.
Distribute the passengers
equally. Do not load on
the boat excessively.
Consult with an
authorized Honda
outboard motor dealer.
Install the outboard
motor in the proper
position. (page 25 to 28)
Install the outboard
motor in the proper
position. (page 25 to 28)
Replace propeller.
(page 87)
Consult with an
authorized Honda
outboard motor dealer.
Trim to correct angle.
(page 27)
97