Yamaha 150, Owner'S Manual

Page: 57 / 82

Maintenance
52
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.
EMU29153
Checking power trim and tilt system
WARNING
EWM00430
●
Never get under the lower unit while it
is 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
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 extend-
ed completely.
4. Use the tilt support lever to lock the mo-
tor in the up position. Operate the tilt
down switch briefly so the motor is sup-
ported by the tilt support lever.
5. Check that the tilt rod and trim rods are
free of corrosion or other flaws.
6. Activate the tilt-down switch until the trim
rods have retracted completely into the
cylinders.
7. Activate the trim-up switch until the tilt
rod is fully extended. Unlock the tilt sup-
port lever.
8. Tilt the outboard motor down. Check
that the tilt rod and trim rods operate
1. Tilt rod
2. Trim rods
ZMU03458
1
2
ZMU03432
ZMU04156
ZMU03460