Exhaust Leakage; Water Leakage; Checking Power Trim And Tilt / Power Tilt System; Checking Propeller - Yamaha 50 Owner's Manual

Maintenance
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.
EMU29163
Checking power trim and tilt / power
tilt system
EWM00430
WARNING
Never get under the lower unit while it
G
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
G
motor before performing this test.
1. Check the power trim and tilt unit / power
tilt unit for any sign of oil leaks.
53
ZMU03240
1. Trim and tilt rod
2. Tilt support lever
2. Operate each of the power trim and tilt
switches / power tilt switches to check
that all switches work.
3. Tilt the outboard motor up and check
that the trim and tilt rod / the tilt rod is
pushed out completely.
4. Check that the trim and tilt rod / the tilt
rod is free of corrosion or other flaws.
5. Tilt the outboard motor down. Check
that the trim and tilt rod / the tilt rod oper-
ates smoothly.
NOTE:
Consult your Yamaha dealer if any operation
is abnormal.
EMU29171

Checking propeller

EWM00321
WARNING
You could be seriously injured if the en-
gine accidentally starts when you are
near the propeller.
Before inspecting, removing, or install-
G
ing the propeller, remove the spark
plug caps from the spark plugs. Also,
place the shift control in neutral, turn
the main switch to "
move the key, and remove the lanyard
from the engine stop switch. Turn off
1
2
ZMU03417
" (off) and re-