Checking Wiring And Connectors; Exhaust Leakage; Water Leakage; Engine Oil Leakage - Yamaha F100D Owner's Manual

2. Oil dipstick
3. Upper level mark
7. Dispose of used oil according to local
regulations.
NOTE:
For more information on the disposal of
G
used oil, consult your Yamaha dealer.
Change the oil more often when operating
G
the engine under adverse conditions such
as extended trolling.
EMU29112

Checking wiring and connectors

Check that each grounding wire is properly
G
secured.
Check that each connector is engaged se-
G
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.
EMU34580

Checking power trim and tilt system

EWM00431
WARNING
Never get under the lower unit while it is
G
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
G
motor before performing this test. Body
parts can be crushed between the motor
and the clamp bracket when the motor is
trimmed or tilted.
1. Check the power trim and tilt unit for any
sign of oil leaks.
ZMU04243
1. Tilt rod
2. Operate each of the power trim and tilt
switches to check that all switches work.
3. Tilt the outboard motor up and check that
the trim and tilt rod is pushed out com-
pletely.
4. Check that the trim and tilt rod is free of
corrosion or other flaws.
5. Tilt the outboard motor down. Check that
the trim and tilt rod operates smoothly.
Maintenance
1
ZMU04244
65