Checking Wiring And Connectors; Exhaust Leakage; Water Leakage; Engine Oil Leakage - Yamaha F250 LF250 Owner's Manual

NOTE:
If a torque wrench is not available when you
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are installing the drain screw, finger tighten
the screw just until the gasket comes into
contact with the surface of the drain hole.
Then tighten 1/4 to 1/2 turn more. Tighten
the drain screw to the correct torque with a
torque wrench as soon as possible.
Apply grease to the apron retaining bolts
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before tightening them.
5. About adding the engine oil, refer to the
step 3 to 6 on the above oil changing pro-
cedures with the oil changer.
EMU29112

Checking wiring and connectors

Check that each grounding wire is properly
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secured.
Check that each connector is engaged se-
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curely.
EMU29120

Exhaust leakage

Start the engine and check that no exhaust
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
EMU29130

Water leakage

Start the engine and check that no water
leaks from the joints between the exhaust
cover, cylinder head, and body cylinder.
EMU29140

Engine oil leakage

Check for oil leaks on the around the engine.
NOTE:
If any leaks are found, consult your Yamaha
dealer.
EMU29153

Checking power trim and tilt system

EWM00430
WARNING
Never get under the lower unit while it is
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tilted, even when the tilt support lever is
locked. Severe injury could occur if the
outboard motor accidentally falls.
Make sure no one is under the outboard
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motor before performing this test.
1. Check the power trim and tilt unit for any
sign of oil leaks.
2. Operate each of the power trim and tilt
switches on the remote control and en-
gine bottom cowling (if equipped) to
check that all switches work.
3. Tilt the outboard motor up and check that
the tilt rod and trim rods are extended
completely.
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1. Tilt rod
2. Tilt support lever
3. Trim rods
4. Use the tilt support lever to lock the motor
in the up position. Operate the tilt down
switch briefly so the motor is supported
by the tilt support lever.
Maintenance
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ZMU01940
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