Fuel Cap/Gauge/Vent Knob; Over-Rev Limiter - Honda Outdoor Motor BF40A Owner's Manual

3. CONTROLS & INSTRUMENTS (common)
Fuel Cap/Gauge/Vent Knob
VENT KNOB
GAUGk FUEL FiLLEIi CkP
The fuel gauge is part of the fuel cap.
The fuel cap vent knob controls air
entering and leaving the fuel tank.
When refilling the fuel tank, turn the
vent knob counterclockwise to the
open position and remove the fuel cap.
Before transporting, storing or refill-
ing the fuel tank inspect the condition
of the fuel cap gasket and replace if
necessary.
Before transporting or storing the fuel
tank turn the vent knob fully clock-
wise to the closed position.
Anytime the fuel tank is in the boat
with the vent knob closed, discon-
nect the fuel hose connector from
the outboard motor (refer to page
35).
extremely flammable, and gaso-
line vapor can explode, causing
serious injury or death. Do not
smoke or allow flames or sparks
in your working area. KEEP
OUT OF REACH OF CHILDREN.
Over-Rev Limiter
This outboard motor is equipped with
an engine over-rev limiter which limits
the maximum engine rpm. This over-
rev limiter protects the engine from
mechanical damage.
The over-rev limiter may be activated
by putting the propeller in a light load
condition or propeller ventilation.
When the over-rev limiter is activated
the engine rpm will become unstable
or erratic. Should this occur reduce the
throttle opening and wait for the
engine r-pm to stabilize then increase
the throttle opening.
On the power trim/tilt type motors lower
the trim angle on high speed turns to re-
duce the possibility of propeller ventila-
tion.
27