Yamaha F225F Service Manual page 544

MNT
Checking the engine start switch and
engine shut-off switch (single
outboard motor application)
1. Check that the engine starts when the
engine start switch a is turned to START.
2. Check that the engine stops when the
engine start switch a is turned to OFF.
3. Check that the engine stops when the
clip b is removed from the engine shut-
off switch c.
ON
OFF START
a c
Checking the engine start/stop
button and engine shut-off switch
(twin or triple outboard motor
application)
1. Turn the main switch a to ON, and then
push the engine start/stop buttons b.
Check that the engine starts.
2. Start the engine. Check that the engine
stops when the main switch a is turned
to OFF.
3. Start the engine. Check that the engine
stops when the engine start/stop buttons
b are pushed.
4. Check that the engine stops when the
clip c is removed from the engine shut-
off switch d.
10-5
Maintenance
b
ON
OFF
a d
b
Checking the fuel system
1. Check that the fuel hoses are connected
securely. To check the fuel hose connec-
tions, see "Fuel hose and blowby hose"
(6-1). NOTICE: This outboard motor is
equipped with a 4-stroke engine.
Never use pre-mixed fuel or 2-stroke
outboard motor oil.
Checking the gear oil level
1. Place the outboard motor in an upright
position.
2. Remove the check screw a, and then
check the gear oil level.
a
TIP:
If the oil is at the proper level, a small amount
of oil should flow out of the check hole.
3. Install a new gasket and the check screw
a, and then tighten the check screw a
to the specified torque. NOTICE: Do not
reuse a gasket, always replace it with
a new one.
c
b