Procedure - Yamaha F6C Owner's Manual

ECM02551
NOTICE
Do not place the outboard motor on its
G
side before the cooling water has
drained from it completely. Otherwise,
water may enter the cylinder through the
exhaust valve and cause engine trouble.
Transport and store the outboard motor
G
as specified in "Transporting/Dismount-
ing the outboard motor".
Store the outboard motor in a dry, well-
G
ventilated place, not in direct sunlight.
EMU28305

Procedure

EMU43031
Flushing in a test tank
ECM00301
NOTICE
Before starting the engine, make sure to
supply water to the cooling water passag-
es. Otherwise, the engine could overheat
and be damaged.
Cooling system flushing is essential to pre-
vent the cooling system from clogging up with
salt, sand, or dirt. In addition, fogging/lubricat-
ing of the engine is mandatory to prevent ex-
cessive engine damage due to rust. Perform
the flushing and fogging at the same time.
F2.5A
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
information, see page 78.
2. Place the fuel cock in the closed position.
Tighten the air vent screw on the fuel tank
cap.
3. Remove the top cowling and silencer
cover.
4. Remove the propeller. For further infor-
mation, see page 89.
For further
[ECM01840]
5. Install the outboard motor on the test
tank.
1. Water surface
2. Lowest water level
6. Fill the tank with fresh water to above the
level of the anti-cavitation plate. NOTICE:
If the fresh water level is below the lev-
el of the anti-cavitation plate, or if the
water supply is insufficient, engine
seizure may occur.
7. Run the engine at a fast idle for a few
minutes in neutral position. WARNING!
Do not touch or remove electrical
parts when starting or during opera-
tion. Keep hands, hair, and clothes
away from the flywheel and other ro-
tating parts while the engine is run-
ning.
[EWM00091]
8. Just prior to turning off the engine, quickly
spray "Fogging Oil" into the carburetor.
When properly done, the engine will
smoke excessively and almost stall.
9. If "Fogging Oil" is not available, run the
engine at a fast idle until the fuel system
empties and the engine stops.
10. Loosen the air vent screw by one turn.
Place the fuel cock in the open position.
11. Remove the grommet. Place a container
under the carburetor drain hole to catch
the gasoline, and then loosen the drain
screw.
Maintenance
[ECM00291]
74