Yamaha F225F Service Manual page 547

e
d
a
c
3. Install the water inlet covers a and trim
tab b, and then tighten the water inlet
cover bolt c, water inlet cover screw d,
and the trim tab bolt e to the specified
torque.
Water inlet cover bolt c:
2 N·m (0.2 kgf·m, 1.5 ft·lb)
Water inlet cover screw d:
1 N·m (0.1 kgf·m, 0.7 ft·lb)
Trim tab bolt e:
42 N·m (4.2 kgf·m, 31.0 ft·lb)
TIP:
After installing the water inlet covers, make
sure that there is no rattling.
4. Place the lower unit in water, and then
start the engine.
5. Check that cooling water is discharged
from the cooling water pilot hole. If there
is no water flow, check the cooling water
passages inside the outboard motor.
Predelivery check / General periodic maintenance
b
b
b
a
General periodic maintenance
Checking the engine idle speed
1. Start the engine and warm it up for 5–10
minutes.
2. Check the engine idle speed using the
Yamaha genuine tachometer (on-board
meter) or the YDIS. To connect and
operate the YDIS, see the "YDIS (Ver.
1.33 or later) instruction manual."
Changing the engine oil
The engine oil should be extracted using an
oil changer.
Change the engine oil after the first 20
hours of operation or 3 months, and every
100 hours or at 1-year intervals thereafter.
1. Place the outboard motor in an upright
position. NOTICE: If
motor is not level, the oil level indi-
cated on the dipstick may not be cor-
rect.
2. Start the engine and warm it up for 5–10
minutes.
3. Stop the engine and leave it off for 5–10
minutes.
4. Remove the top cowling.
5. Remove the oil filler cap a. Remove the
dipstick b and extract the engine oil
using the oil changer c.
0
1
2
3
4
5
6
7
the outboard
8
9
10
A
10-8