Procedure; Lubrication - Yamaha F250B Owner's Manual

Maintenance
EMU28305

Procedure

EMU31380
Draining the gasoline from the vapor sep-
arator
TIP:
This procedure is performed while the top
cowling is removed.
Drain the remaining gasoline in the vapor sep-
arator into a container. Loosen the drain
screw, and then remove the cap. Push in the
air valve with a screwdriver to introduce air
into the float chamber, so that the gasoline will
drain smoothly. Then, tighten the drain screw.
1. Vapor separator
2. Drain screw
3. Cap
68
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1. Air valve
EMU31392
Washing the outboard motor
TIP:
This procedure is performed while the top
cowling is installed.
1. Wash the outboard motor body using
fresh water. NOTICE: Do not spray wa-
ter into the air intake.
2. Drain the cooling water completely out of
the motor. Clean the body thoroughly.
EMU28402

Lubrication

1. Install the spark plug(s) and torque to
proper specification. For information on
spark plug installation, see page 75.
2. Change the gear oil. For instructions, see
page 80. Inspect the oil for the presence
of water that indicates a leaky seal. Seal
replacement should be performed by an
authorized Yamaha dealer prior to use.
[ECM01840]